390407368 has 16 divisors (see below), whose sum is σ = 788322780. Its totient is φ = 180187968.

The previous prime is 390407351. The next prime is 390407377. The reversal of 390407368 is 863704093.

It can be written as a sum of positive squares in 2 ways, for example, as 372412804 + 17994564 = 19298^2 + 4242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 390407368.

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, 1876855 + ... + 1877062.

Almost surely, 2^390407368 is an apocalyptic number.

It is an amenable number.

390407368 is an abundant number, since it is smaller than the sum of its proper divisors (397915412).

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

390407368 is a wasteful number, since it uses less digits than its factorization.

390407368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753936 (or 3753932 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 390407368 is about 19758.7289064859. The cubic root of 390407368 is about 730.8686525703.

The spelling of 390407368 in words is "three hundred ninety million, four hundred seven thousand, three hundred sixty-eight".