424664904 has 64 divisors (see below), whose sum is σ = 1093688640. Its totient is φ = 137329920.

The previous prime is 424664887. The next prime is 424664909. The reversal of 424664904 is 409466424.

It is not an unprimeable number, because it can be changed into a prime (424664909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160714 + ... + 163334.

It is an arithmetic number, because the mean of its divisors is an integer number (17088885).

Almost surely, 2^424664904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424664904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546844320).

424664904 is an abundant number, since it is smaller than the sum of its proper divisors (669023736).

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

424664904 is a wasteful number, since it uses less digits than its factorization.

424664904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2830 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 424664904 is about 20607.3992536661. The cubic root of 424664904 is about 751.6496453445.

The spelling of 424664904 in words is "four hundred twenty-four million, six hundred sixty-four thousand, nine hundred four".