428658832 has 40 divisors (see below), whose sum is σ = 951532352. Its totient is φ = 183254400.

The previous prime is 428658779. The next prime is 428658871. The reversal of 428658832 is 238856824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42607 + ... + 51697.

Almost surely, 2^428658832 is an apocalyptic number.

It is an amenable number.

428658832 is an abundant number, since it is smaller than the sum of its proper divisors (522873520).

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

428658832 is a wasteful number, since it uses less digits than its factorization.

428658832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9527 (or 9521 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 428658832 is about 20704.0776660058. The cubic root of 428658832 is about 753.9986913274.

The spelling of 428658832 in words is "four hundred twenty-eight million, six hundred fifty-eight thousand, eight hundred thirty-two".