428522604 has 48 divisors (see below), whose sum is σ = 1087335648. Its totient is φ = 130802688.

The previous prime is 428522593. The next prime is 428522639. The reversal of 428522604 is 406225824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20839 + ... + 35934.

It is an arithmetic number, because the mean of its divisors is an integer number (22652826).

Almost surely, 2^428522604 is an apocalyptic number.

It is an amenable number.

428522604 is an abundant number, since it is smaller than the sum of its proper divisors (658813044).

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

428522604 is a wasteful number, since it uses less digits than its factorization.

428522604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56834 (or 56832 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 428522604 is about 20700.7875212515. The cubic root of 428522604 is about 753.9188091391.

The spelling of 428522604 in words is "four hundred twenty-eight million, five hundred twenty-two thousand, six hundred four".