394964256 has 24 divisors (see below), whose sum is σ = 1036781424. Its totient is φ = 131654720.

The previous prime is 394964249. The next prime is 394964279. The reversal of 394964256 is 652469493.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

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 3 ways as a sum of consecutive naturals, for example, 2057010 + ... + 2057201.

It is an arithmetic number, because the mean of its divisors is an integer number (43199226).

Almost surely, 2^394964256 is an apocalyptic number.

It is an amenable number.

394964256 is an abundant number, since it is smaller than the sum of its proper divisors (641817168).

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

394964256 is a wasteful number, since it uses less digits than its factorization.

394964256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4114224 (or 4114216 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 48.

The square root of 394964256 is about 19873.7076560968. The cubic root of 394964256 is about 733.7012596348.

The spelling of 394964256 in words is "three hundred ninety-four million, nine hundred sixty-four thousand, two hundred fifty-six".