404889572 has 12 divisors (see below), whose sum is σ = 709180416. Its totient is φ = 202266600.

The previous prime is 404889559. The next prime is 404889577. The reversal of 404889572 is 275988404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (404889577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39368 + ... + 48575.

It is an arithmetic number, because the mean of its divisors is an integer number (59098368).

Almost surely, 2^404889572 is an apocalyptic number.

It is an amenable number.

404889572 is a deficient number, since it is larger than the sum of its proper divisors (304290844).

404889572 is a wasteful number, since it uses less digits than its factorization.

404889572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89098 (or 89096 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 404889572 is about 20121.8680047355. The cubic root of 404889572 is about 739.7963720219.

The spelling of 404889572 in words is "four hundred four million, eight hundred eighty-nine thousand, five hundred seventy-two".