390692 has 6 divisors (see below), whose sum is σ = 683718. Its totient is φ = 195344.

The previous prime is 390673. The next prime is 390703. The reversal of 390692 is 296093.

It can be written as a sum of positive squares in only one way, i.e., 379456 + 11236 = 616^2 + 106^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 390692.

It is an unprimeable number.

390692 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48833 + ... + 48840.

It is an arithmetic number, because the mean of its divisors is an integer number (113953).

2³⁹⁰⁶⁹² is an apocalyptic number.

It is an amenable number.

390692 is a deficient number, since it is larger than the sum of its proper divisors (293026).

390692 is a wasteful number, since it uses less digits than its factorization.

390692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97677 (or 97675 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 390692 is about 625.0535977018. The cubic root of 390692 is about 73.1046226124.

The spelling of 390692 in words is "three hundred ninety thousand, six hundred ninety-two".