394144076 has 6 divisors (see below), whose sum is σ = 689752140. Its totient is φ = 197072036.

The previous prime is 394144027. The next prime is 394144081. The reversal of 394144076 is 670441493.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49268006 + ... + 49268013.

It is an arithmetic number, because the mean of its divisors is an integer number (114958690).

Almost surely, 2^394144076 is an apocalyptic number.

It is an amenable number.

394144076 is a deficient number, since it is larger than the sum of its proper divisors (295608064).

394144076 is a wasteful number, since it uses less digits than its factorization.

394144076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98536023 (or 98536021 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 394144076 is about 19853.0621315705. The cubic root of 394144076 is about 733.1930413906.

The spelling of 394144076 in words is "three hundred ninety-four million, one hundred forty-four thousand, seventy-six".