428898072 has 32 divisors (see below), whose sum is σ = 1073588400. Its totient is φ = 142786944.

The previous prime is 428898059. The next prime is 428898073. The reversal of 428898072 is 270898824.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428898073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9118 + ... + 30674.

Almost surely, 2^428898072 is an apocalyptic number.

It is an amenable number.

428898072 is an abundant number, since it is smaller than the sum of its proper divisors (644690328).

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

428898072 is a wasteful number, since it uses less digits than its factorization.

428898072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22395 (or 22391 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 48.

The square root of 428898072 is about 20709.8544659300. The cubic root of 428898072 is about 754.1389373577.

The spelling of 428898072 in words is "four hundred twenty-eight million, eight hundred ninety-eight thousand, seventy-two".