404234404 has 24 divisors (see below), whose sum is σ = 825672960. Its totient is φ = 169556736.

The previous prime is 404234387. The next prime is 404234423. The reversal of 404234404 is 404432404.

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, 152269 + ... + 154900.

It is an arithmetic number, because the mean of its divisors is an integer number (34403040).

Almost surely, 2^404234404 is an apocalyptic number.

It is an amenable number.

404234404 is an abundant number, since it is smaller than the sum of its proper divisors (421438556).

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

404234404 is a wasteful number, since it uses less digits than its factorization.

404234404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307227 (or 307225 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 404234404 is about 20105.5814141248. The cubic root of 404234404 is about 739.3971252389.

Adding to 404234404 its reverse (404432404), we get a palindrome (808666808).

The spelling of 404234404 in words is "four hundred four million, two hundred thirty-four thousand, four hundred four".