390576942 has 36 divisors (see below), whose sum is σ = 984415536. Its totient is φ = 111593160.

The previous prime is 390576919. The next prime is 390576997. The reversal of 390576942 is 249675093.

It is a happy number.

390576942 is a `hidden beast` number, since 39 + 0 + 576 + 9 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 220534 + ... + 222297.

It is an arithmetic number, because the mean of its divisors is an integer number (27344876).

Almost surely, 2^390576942 is an apocalyptic number.

390576942 is an abundant number, since it is smaller than the sum of its proper divisors (593838594).

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

390576942 is a wasteful number, since it uses less digits than its factorization.

390576942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442853 (or 442843 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 390576942 is about 19763.0195567378. The cubic root of 390576942 is about 730.9744552023.

The spelling of 390576942 in words is "three hundred ninety million, five hundred seventy-six thousand, nine hundred forty-two".