428839104 has 28 divisors (see below), whose sum is σ = 1134637304. Its totient is φ = 142946304.

The previous prime is 428839091. The next prime is 428839141. The reversal of 428839104 is 401938824.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116577 + ... + 1116960.

Almost surely, 2^428839104 is an apocalyptic number.

It is an amenable number.

428839104 is an abundant number, since it is smaller than the sum of its proper divisors (705798200).

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

428839104 is a wasteful number, since it uses less digits than its factorization.

428839104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233552 (or 2233542 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 428839104 is about 20708.4307469204. The cubic root of 428839104 is about 754.1043742871.

The spelling of 428839104 in words is "four hundred twenty-eight million, eight hundred thirty-nine thousand, one hundred four".