390317140 has 24 divisors (see below), whose sum is σ = 837107712. Its totient is φ = 152804640.

The previous prime is 390317113. The next prime is 390317167. The reversal of 390317140 is 41713093.

It is an interprime number because it is at equal distance from previous prime (390317113) and next prime (390317167).

It is a junction number, because it is equal to n+sod(n) for n = 390317099 and 390317108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206676 + ... + 208555.

It is an arithmetic number, because the mean of its divisors is an integer number (34879488).

Almost surely, 2^390317140 is an apocalyptic number.

It is an amenable number.

390317140 is an abundant number, since it is smaller than the sum of its proper divisors (446790572).

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

390317140 is a wasteful number, since it uses less digits than its factorization.

390317140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415287 (or 415285 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 390317140 is about 19756.4455305098. The cubic root of 390317140 is about 730.8123439526.

The spelling of 390317140 in words is "three hundred ninety million, three hundred seventeen thousand, one hundred forty".