404303404 has 24 divisors (see below), whose sum is σ = 716079168. Its totient is φ = 199718400.

The previous prime is 404303399. The next prime is 404303437.

It is a happy number.

404303404 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×404303404² = 326922484971974432, which contains 22 as substring.

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, 271149 + ... + 272635.

It is an arithmetic number, because the mean of its divisors is an integer number (29836632).

Almost surely, 2^404303404 is an apocalyptic number.

It is an amenable number.

404303404 is a deficient number, since it is larger than the sum of its proper divisors (311775764).

404303404 is a wasteful number, since it uses less digits than its factorization.

404303404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 404303404 is about 20107.2972823301. The cubic root of 404303404 is about 739.4391928269.

It can be divided in two parts, 40430 and 3404, that added together give a palindrome (43834).

The spelling of 404303404 in words is "four hundred four million, three hundred three thousand, four hundred four".