394266804 has 24 divisors (see below), whose sum is σ = 949632768. Its totient is φ = 127182720.

The previous prime is 394266791. The next prime is 394266811. The reversal of 394266804 is 408662493.

It is a happy number.

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, 529557 + ... + 530300.

It is an arithmetic number, because the mean of its divisors is an integer number (39568032).

Almost surely, 2^394266804 is an apocalyptic number.

It is an amenable number.

394266804 is an abundant number, since it is smaller than the sum of its proper divisors (555365964).

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

394266804 is a wasteful number, since it uses less digits than its factorization.

394266804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059895 (or 1059893 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 394266804 is about 19856.1527995732. The cubic root of 394266804 is about 733.2691336819.

The spelling of 394266804 in words is "three hundred ninety-four million, two hundred sixty-six thousand, eight hundred four".