428976432 has 40 divisors (see below), whose sum is σ = 1231322480. Its totient is φ = 142992000.

The previous prime is 428976421. The next prime is 428976437. The reversal of 428976432 is 234679824.

It is a super-2 number, since 2×428976432² = 368041558422901248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428976437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496069 + ... + 496932.

It is an arithmetic number, because the mean of its divisors is an integer number (30783062).

Almost surely, 2^428976432 is an apocalyptic number.

It is an amenable number.

428976432 is an abundant number, since it is smaller than the sum of its proper divisors (802346048).

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

428976432 is a wasteful number, since it uses less digits than its factorization.

428976432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993018 (or 993006 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 428976432 is about 20711.7462325126. The cubic root of 428976432 is about 754.1848618112.

The spelling of 428976432 in words is "four hundred twenty-eight million, nine hundred seventy-six thousand, four hundred thirty-two".