390374390 has 16 divisors (see below), whose sum is σ = 803056032. Its totient is φ = 133842624.

The previous prime is 390374389. The next prime is 390374419. The reversal of 390374390 is 93473093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2788319 + ... + 2788458.

It is an arithmetic number, because the mean of its divisors is an integer number (50191002).

Almost surely, 2^390374390 is an apocalyptic number.

390374390 is an abundant number, since it is smaller than the sum of its proper divisors (412681642).

390374390 is a wasteful number, since it uses less digits than its factorization.

390374390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576791.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 390374390 is about 19757.8943716176. The cubic root of 390374390 is about 730.8480729850.

The spelling of 390374390 in words is "three hundred ninety million, three hundred seventy-four thousand, three hundred ninety".