390082 has 32 divisors (see below), whose sum is σ = 777600. Its totient is φ = 142080.

The previous prime is 390077. The next prime is 390083. The reversal of 390082 is 280093.

390082 is nontrivially palindromic in base 15.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (390083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2544 + ... + 2692.

It is an arithmetic number, because the mean of its divisors is an integer number (24300).

2³⁹⁰⁰⁸² is an apocalyptic number.

390082 is a deficient number, since it is larger than the sum of its proper divisors (387518).

390082 is a wasteful number, since it uses less digits than its factorization.

390082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 390082 is about 624.5654489323. The cubic root of 390082 is about 73.0665559269.

The spelling of 390082 in words is "three hundred ninety thousand, eighty-two".