3780426 has 32 divisors (see below), whose sum is σ = 8624448. Its totient is φ = 1094400.

The previous prime is 3780407. The next prime is 3780433. The reversal of 3780426 is 6240873.

It is a d-powerful number, because it can be written as 3⁶ + 7⁴ + 8³ + 0 + 4² + 2²¹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 3780393 and 3780402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100 + ... + 2751.

It is an arithmetic number, because the mean of its divisors is an integer number (269514).

Almost surely, 2^3780426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3780426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4312224).

3780426 is an abundant number, since it is smaller than the sum of its proper divisors (4844022).

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

3780426 is a wasteful number, since it uses less digits than its factorization.

3780426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3780426 is about 1944.3317618143. The cubic root of 3780426 is about 155.7806746941.

The spelling of 3780426 in words is "three million, seven hundred eighty thousand, four hundred twenty-six".