428558304 has 48 divisors (see below), whose sum is σ = 1191144528. Its totient is φ = 134449152.

The previous prime is 428558303. The next prime is 428558327. The reversal of 428558304 is 403855824.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428558303) 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, 129667 + ... + 132930.

It is an arithmetic number, because the mean of its divisors is an integer number (24815511).

Almost surely, 2^428558304 is an apocalyptic number.

It is an amenable number.

428558304 is an abundant number, since it is smaller than the sum of its proper divisors (762586224).

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

428558304 is a wasteful number, since it uses less digits than its factorization.

428558304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262627 (or 262619 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 39.

The square root of 428558304 is about 20701.6497893284. The cubic root of 428558304 is about 753.9397447551.

The spelling of 428558304 in words is "four hundred twenty-eight million, five hundred fifty-eight thousand, three hundred four".