404434972 has 12 divisors (see below), whose sum is σ = 708696576. Its totient is φ = 201950240.

The previous prime is 404434951. The next prime is 404434973. The reversal of 404434972 is 279434404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404434973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63388 + ... + 69475.

It is an arithmetic number, because the mean of its divisors is an integer number (59058048).

Almost surely, 2^404434972 is an apocalyptic number.

It is an amenable number.

404434972 is a deficient number, since it is larger than the sum of its proper divisors (304261604).

404434972 is a wasteful number, since it uses less digits than its factorization.

404434972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133628 (or 133626 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 404434972 is about 20110.5686642621. The cubic root of 404434972 is about 739.5193933097.

The spelling of 404434972 in words is "four hundred four million, four hundred thirty-four thousand, nine hundred seventy-two".