3946178250 has 480 divisors, whose sum is σ = 13285608336. Its totient is φ = 870912000.

The previous prime is 3946178237. The next prime is 3946178251. The reversal of 3946178250 is 528716493.

3946178250 is a `hidden beast` number, since 3 + 9 + 4 + 617 + 8 + 25 + 0 = 666.

3946178250 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 64016001 + 3882162249 = 8001^2 + 62307^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

3946178250 is strictly pandigital in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3946178196 and 3946178205.

It is not an unprimeable number, because it can be changed into a prime (3946178251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 40682202 + ... + 40682298.

It is a 1-persistent number, because it is pandigital, but 2⋅3946178250 = 7892356500 is not.

Almost surely, 2^3946178250 is an apocalyptic number.

3946178250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3946178250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6642804168).

3946178250 is an abundant number, since it is smaller than the sum of its proper divisors (9339430086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3946178250 is a wasteful number, since it uses less digits than its factorization.

3946178250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 3946178250 is about 62818.6138815558. The cubic root of 3946178250 is about 1580.2491528787.

It can be divided in two parts, 39461 and 78250, that added together give a palindrome (117711).

The spelling of 3946178250 in words is "three billion, nine hundred forty-six million, one hundred seventy-eight thousand, two hundred fifty".