390537152 has 28 divisors (see below), whose sum is σ = 785597616. Its totient is φ = 192591360.

The previous prime is 390537151. The next prime is 390537179. The reversal of 390537152 is 251735093.

It is a happy number.

It is a super-2 number, since 2×390537152² = 305038534184542208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390537151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37124 + ... + 46467.

Almost surely, 2^390537152 is an apocalyptic number.

390537152 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390537152 is an abundant number, since it is smaller than the sum of its proper divisors (395060464).

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

390537152 is an equidigital number, since it uses as much as digits as its factorization.

390537152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83676 (or 83666 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 390537152 is about 19762.0128529459. The cubic root of 390537152 is about 730.9496317013.

The spelling of 390537152 in words is "three hundred ninety million, five hundred thirty-seven thousand, one hundred fifty-two".