390492 has 18 divisors (see below), whose sum is σ = 987168. Its totient is φ = 130152.

The previous prime is 390491. The next prime is 390493. The reversal of 390492 is 294093.

It is an interprime number because it is at equal distance from previous prime (390491) and next prime (390493).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390491) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5388 + ... + 5459.

2³⁹⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

390492 is an abundant number, since it is smaller than the sum of its proper divisors (596676).

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

390492 is a wasteful number, since it uses less digits than its factorization.

390492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857 (or 10852 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 390492 is about 624.8935909417. The cubic root of 390492 is about 73.0921461006.

The spelling of 390492 in words is "three hundred ninety thousand, four hundred ninety-two".