456784428 has 24 divisors (see below), whose sum is σ = 1067098032. Its totient is φ = 152080384.

The previous prime is 456784397. The next prime is 456784457. The reversal of 456784428 is 824487654.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11925 + ... + 32492.

It is an arithmetic number, because the mean of its divisors is an integer number (44462418).

Almost surely, 2^456784428 is an apocalyptic number.

It is an amenable number.

456784428 is an abundant number, since it is smaller than the sum of its proper divisors (610313604).

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

456784428 is a wasteful number, since it uses less digits than its factorization.

456784428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45281 (or 45279 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The square root of 456784428 is about 21372.5157152826. The cubic root of 456784428 is about 770.1413289804.

The spelling of 456784428 in words is "four hundred fifty-six million, seven hundred eighty-four thousand, four hundred twenty-eight".