390908552 has 64 divisors (see below), whose sum is σ = 798145920. Its totient is φ = 178979328.

The previous prime is 390908533. The next prime is 390908563. The reversal of 390908552 is 255809093.

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, 455708 + ... + 456564.

It is an arithmetic number, because the mean of its divisors is an integer number (12471030).

Almost surely, 2^390908552 is an apocalyptic number.

It is an amenable number.

390908552 is an abundant number, since it is smaller than the sum of its proper divisors (407237368).

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

390908552 is a wasteful number, since it uses less digits than its factorization.

390908552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 390908552 is about 19771.4074359920. The cubic root of 390908552 is about 731.1812688024.

The spelling of 390908552 in words is "three hundred ninety million, nine hundred eight thousand, five hundred fifty-two".