404808 has 32 divisors (see below), whose sum is σ = 1028160. Its totient is φ = 132800.

The previous prime is 404783. The next prime is 404819. The reversal of 404808 is 808404.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2341 + ... + 2507.

It is an arithmetic number, because the mean of its divisors is an integer number (32130).

2⁴⁰⁴⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

404808 is an abundant number, since it is smaller than the sum of its proper divisors (623352).

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

404808 is a wasteful number, since it uses less digits than its factorization.

404808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 404808 is about 636.2452357385. The cubic root of 404808 is about 73.9746687098.

The spelling of 404808 in words is "four hundred four thousand, eight hundred eight".