390256914 has 32 divisors (see below), whose sum is σ = 796677120. Its totient is φ = 127400832.

The previous prime is 390256907. The next prime is 390256921. The reversal of 390256914 is 419652093.

It is an interprime number because it is at equal distance from previous prime (390256907) and next prime (390256921).

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 345102 + ... + 346230.

It is an arithmetic number, because the mean of its divisors is an integer number (24896160).

Almost surely, 2^390256914 is an apocalyptic number.

390256914 is an abundant number, since it is smaller than the sum of its proper divisors (406420206).

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

390256914 is a wasteful number, since it uses less digits than its factorization.

390256914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 390256914 is about 19754.9212602835. The cubic root of 390256914 is about 730.7747538635.

It can be divided in two parts, 390256 and 914, that added together give a triangular number (391170 = T₈₈₄).

The spelling of 390256914 in words is "three hundred ninety million, two hundred fifty-six thousand, nine hundred fourteen".