428704800 has 72 divisors (see below), whose sum is σ = 1395441936. Its totient is φ = 114320640.

The previous prime is 428704781. The next prime is 428704853. The reversal of 428704800 is 8407824.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86914 + ... + 91713.

It is an arithmetic number, because the mean of its divisors is an integer number (19381138).

Almost surely, 2^428704800 is an apocalyptic number.

428704800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

428704800 is an abundant number, since it is smaller than the sum of its proper divisors (966737136).

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

428704800 is a wasteful number, since it uses less digits than its factorization.

428704800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178650 (or 178637 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 428704800 is about 20705.1877557292. The cubic root of 428704800 is about 754.0256424989.

The spelling of 428704800 in words is "four hundred twenty-eight million, seven hundred four thousand, eight hundred".