390810976 has 24 divisors (see below), whose sum is σ = 783929664. Its totient is φ = 191717760.

The previous prime is 390810971. The next prime is 390811027. The reversal of 390810976 is 679018093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390810971) 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, 113520 + ... + 116911.

It is an arithmetic number, because the mean of its divisors is an integer number (32663736).

Almost surely, 2^390810976 is an apocalyptic number.

It is an amenable number.

390810976 is an abundant number, since it is smaller than the sum of its proper divisors (393118688).

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

390810976 is a wasteful number, since it uses less digits than its factorization.

390810976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230494 (or 230486 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 390810976 is about 19768.9396781922. The cubic root of 390810976 is about 731.1204262002.

It can be divided in two parts, 3908 and 10976, that added together give a square (14884 = 122²).

The spelling of 390810976 in words is "three hundred ninety million, eight hundred ten thousand, nine hundred seventy-six".