404764 has 12 divisors (see below), whose sum is σ = 723744. Its totient is φ = 197984.

The previous prime is 404713. The next prime is 404773. The reversal of 404764 is 467404.

It is a happy number.

404764 is nontrivially palindromic in base 7.

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, 889 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (60312).

2⁴⁰⁴⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

404764 is a deficient number, since it is larger than the sum of its proper divisors (318980).

404764 is a wasteful number, since it uses less digits than its factorization.

404764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 404764 is about 636.2106569368. The cubic root of 404764 is about 73.9719884240.

The spelling of 404764 in words is "four hundred four thousand, seven hundred sixty-four".