424884688 has 40 divisors (see below), whose sum is σ = 868381920. Its totient is φ = 200833920.

The previous prime is 424884671. The next prime is 424884697. The reversal of 424884688 is 886488424.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 177258 + ... + 179638.

It is an arithmetic number, because the mean of its divisors is an integer number (21709548).

Almost surely, 2^424884688 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 424884688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434190960).

424884688 is an abundant number, since it is smaller than the sum of its proper divisors (443497232).

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

424884688 is a wasteful number, since it uses less digits than its factorization.

424884688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2989 counting only the distinct ones).

The product of its digits is 3145728, while the sum is 52.

The square root of 424884688 is about 20612.7312115595. The cubic root of 424884688 is about 751.7792942925.

The spelling of 424884688 in words is "four hundred twenty-four million, eight hundred eighty-four thousand, six hundred eighty-eight".