390572276 has 12 divisors (see below), whose sum is σ = 683760420. Its totient is φ = 195212160.

The previous prime is 390572257. The next prime is 390572291. The reversal of 390572276 is 672275093.

It can be written as a sum of positive squares in 2 ways, for example, as 125664100 + 264908176 = 11210^2 + 16276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621 + ... + 28508.

It is an arithmetic number, because the mean of its divisors is an integer number (56980035).

Almost surely, 2^390572276 is an apocalyptic number.

It is an amenable number.

390572276 is a deficient number, since it is larger than the sum of its proper divisors (293188144).

390572276 is a wasteful number, since it uses less digits than its factorization.

390572276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36994 (or 36992 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 390572276 is about 19762.9015076228. The cubic root of 390572276 is about 730.9715443457.

The spelling of 390572276 in words is "three hundred ninety million, five hundred seventy-two thousand, two hundred seventy-six".