804239164 has 12 divisors (see below), whose sum is σ = 1421354088. Its totient is φ = 398138000.

The previous prime is 804239147. The next prime is 804239171. The reversal of 804239164 is 461932408.

It is a super-2 number, since 2×804239164² = 1293601265822837792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 994942 + ... + 995749.

It is an arithmetic number, because the mean of its divisors is an integer number (118446174).

Almost surely, 2^804239164 is an apocalyptic number.

It is an amenable number.

804239164 is a deficient number, since it is larger than the sum of its proper divisors (617114924).

804239164 is a wasteful number, since it uses less digits than its factorization.

804239164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990796 (or 1990794 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 804239164 is about 28359.1107759041. The cubic root of 804239164 is about 929.9545836688.

The spelling of 804239164 in words is "eight hundred four million, two hundred thirty-nine thousand, one hundred sixty-four".