428407204 has 27 divisors (see below), whose sum is σ = 765163371. Its totient is φ = 209877720.

The previous prime is 428407183. The next prime is 428407207. The reversal of 428407204 is 402704824.

The square root of 428407204 is 20698.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428407207) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3270219 + ... + 3270349.

Almost surely, 2^428407204 is an apocalyptic number.

428407204 is the 20698-th square number.

It is an amenable number.

428407204 is a deficient number, since it is larger than the sum of its proper divisors (336756167).

428407204 is an equidigital number, since it uses as much as digits as its factorization.

428407204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The cubic root of 428407204 is about 753.8511269517.

The spelling of 428407204 in words is "four hundred twenty-eight million, four hundred seven thousand, two hundred four".