390522296 has 8 divisors (see below), whose sum is σ = 732229320. Its totient is φ = 195261144.

The previous prime is 390522277. The next prime is 390522311. The reversal of 390522296 is 692225093.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×390522296² = 305015327346223232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24407636 + ... + 24407651.

It is an arithmetic number, because the mean of its divisors is an integer number (91528665).

Almost surely, 2^390522296 is an apocalyptic number.

It is an amenable number.

390522296 is a deficient number, since it is larger than the sum of its proper divisors (341707024).

390522296 is a wasteful number, since it uses less digits than its factorization.

390522296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48815293 (or 48815289 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 390522296 is about 19761.6369767284. The cubic root of 390522296 is about 730.9403631632.

The spelling of 390522296 in words is "three hundred ninety million, five hundred twenty-two thousand, two hundred ninety-six".