390601982 has 8 divisors (see below), whose sum is σ = 589140552. Its totient is φ = 194221800.

The previous prime is 390601973. The next prime is 390601993. The reversal of 390601982 is 289106093.

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

It is a super-3 number, since 3×390601982³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539144 + ... + 539867.

It is an arithmetic number, because the mean of its divisors is an integer number (73642569).

Almost surely, 2^390601982 is an apocalyptic number.

390601982 is a deficient number, since it is larger than the sum of its proper divisors (198538570).

390601982 is a wasteful number, since it uses less digits than its factorization.

390601982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079194.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 390601982 is about 19763.6530530163. The cubic root of 390601982 is about 730.9900758626.

The spelling of 390601982 in words is "three hundred ninety million, six hundred one thousand, nine hundred eighty-two".