404868 has 12 divisors (see below), whose sum is σ = 944720. Its totient is φ = 134952.

The previous prime is 404851. The next prime is 404941. The reversal of 404868 is 868404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

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, 16858 + ... + 16881.

2⁴⁰⁴⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

404868 is an abundant number, since it is smaller than the sum of its proper divisors (539852).

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

404868 is a wasteful number, since it uses less digits than its factorization.

404868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33746 (or 33744 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 404868 is about 636.2923856216. The cubic root of 404868 is about 73.9783233320.

The spelling of 404868 in words is "four hundred four thousand, eight hundred sixty-eight".