394165004 has 12 divisors (see below), whose sum is σ = 705830664. Its totient is φ = 192499104.

The previous prime is 394165001. The next prime is 394165027. The reversal of 394165004 is 400561493.

It is not an unprimeable number, because it can be changed into a prime (394165001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145657 + ... + 1146000.

It is an arithmetic number, because the mean of its divisors is an integer number (58819222).

Almost surely, 2^394165004 is an apocalyptic number.

It is an amenable number.

394165004 is a deficient number, since it is larger than the sum of its proper divisors (311665660).

394165004 is a wasteful number, since it uses less digits than its factorization.

394165004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291704 (or 2291702 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 394165004 is about 19853.5891969185. The cubic root of 394165004 is about 733.2060180264.

The spelling of 394165004 in words is "three hundred ninety-four million, one hundred sixty-five thousand, four".