394945104 has 40 divisors (see below), whose sum is σ = 1047854560. Its totient is φ = 128089728.

The previous prime is 394945081. The next prime is 394945123. The reversal of 394945104 is 401549493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109414 + ... + 112965.

It is an arithmetic number, because the mean of its divisors is an integer number (26196364).

Almost surely, 2^394945104 is an apocalyptic number.

It is an amenable number.

394945104 is an abundant number, since it is smaller than the sum of its proper divisors (652909456).

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

394945104 is a wasteful number, since it uses less digits than its factorization.

394945104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222427 (or 222421 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 394945104 is about 19873.2258076036. The cubic root of 394945104 is about 733.6894002716.

The spelling of 394945104 in words is "three hundred ninety-four million, nine hundred forty-five thousand, one hundred four".