428835756 has 24 divisors (see below), whose sum is σ = 1007924400. Its totient is φ = 141901312.

The previous prime is 428835749. The next prime is 428835787. The reversal of 428835756 is 657538824.

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, 128781 + ... + 132068.

It is an arithmetic number, because the mean of its divisors is an integer number (41996850).

Almost surely, 2^428835756 is an apocalyptic number.

It is an amenable number.

428835756 is an abundant number, since it is smaller than the sum of its proper divisors (579088644).

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

428835756 is a wasteful number, since it uses less digits than its factorization.

428835756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260993 (or 260991 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The square root of 428835756 is about 20708.3499101208. The cubic root of 428835756 is about 754.1024118199.

The spelling of 428835756 in words is "four hundred twenty-eight million, eight hundred thirty-five thousand, seven hundred fifty-six".