390910050 has 120 divisors (see below), whose sum is σ = 1093251456. Its totient is φ = 103563360.

The previous prime is 390910043. The next prime is 390910057. The reversal of 390910050 is 50019093.

It is an interprime number because it is at equal distance from previous prime (390910043) and next prime (390910057).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 390909996 and 390910023.

It is not an unprimeable number, because it can be changed into a prime (390910057) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 1064967 + ... + 1065333.

Almost surely, 2^390910050 is an apocalyptic number.

390910050 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 390910050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546625728).

390910050 is an abundant number, since it is smaller than the sum of its proper divisors (702341406).

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

390910050 is a wasteful number, since it uses less digits than its factorization.

390910050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 390910050 is about 19771.4453189442. The cubic root of 390910050 is about 731.1822027874.

The spelling of 390910050 in words is "three hundred ninety million, nine hundred ten thousand, fifty".