390982 has 8 divisors (see below), whose sum is σ = 617400. Its totient is φ = 185184.

The previous prime is 390967. The next prime is 390989. The reversal of 390982 is 289093.

It is a happy number.

390982 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107 + ... + 5182.

It is an arithmetic number, because the mean of its divisors is an integer number (77175).

2³⁹⁰⁹⁸² is an apocalyptic number.

390982 is a deficient number, since it is larger than the sum of its proper divisors (226418).

390982 is a wasteful number, since it uses less digits than its factorization.

390982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10310.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 390982 is about 625.2855347759. The cubic root of 390982 is about 73.1227059937.

The spelling of 390982 in words is "three hundred ninety thousand, nine hundred eighty-two".