404572 has 12 divisors (see below), whose sum is σ = 809200. Its totient is φ = 173376.

The previous prime is 404557. The next prime is 404597. The reversal of 404572 is 275404.

404572 is an admirable number.

It is a nialpdrome in base 14.

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, 7197 + ... + 7252.

2⁴⁰⁴⁵⁷² is an apocalyptic number.

It is an amenable number.

404572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

404572 is a wasteful number, since it uses less digits than its factorization.

404572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14460 (or 14458 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 404572 is about 636.0597456214. The cubic root of 404572 is about 73.9602903580.

Subtracting from 404572 its sum of digits (22), we obtain a triangular number (404550 = T₈₉₉).

Adding to 404572 its reverse (275404), we get a palindrome (679976).

The spelling of 404572 in words is "four hundred four thousand, five hundred seventy-two".