428914624 has 28 divisors (see below), whose sum is σ = 901196064. Its totient is φ = 201841664.

The previous prime is 428914597. The next prime is 428914627. The reversal of 428914624 is 426419824.

It is a super-2 number, since 2×428914624² = 367935509362122752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428914627) 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 3 ways as a sum of consecutive naturals, for example, 196024 + ... + 198199.

Almost surely, 2^428914624 is an apocalyptic number.

It is an amenable number.

428914624 is an abundant number, since it is smaller than the sum of its proper divisors (472281440).

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

428914624 is a wasteful number, since it uses less digits than its factorization.

428914624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394252 (or 394242 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 428914624 is about 20710.2540785959. The cubic root of 428914624 is about 754.1486384561.

The spelling of 428914624 in words is "four hundred twenty-eight million, nine hundred fourteen thousand, six hundred twenty-four".