428589184 has 16 divisors (see below), whose sum is σ = 853830270. Its totient is φ = 214294528.

The previous prime is 428589179. The next prime is 428589197. The reversal of 428589184 is 481985824.

It can be written as a sum of positive squares in only one way, i.e., 419102784 + 9486400 = 20472^2 + 3080^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1674049 + ... + 1674304.

Almost surely, 2^428589184 is an apocalyptic number.

It is an amenable number.

428589184 is a deficient number, since it is larger than the sum of its proper divisors (425241086).

428589184 is an equidigital number, since it uses as much as digits as its factorization.

428589184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348367 (or 3348355 counting only the distinct ones).

The product of its digits is 737280, while the sum is 49.

The square root of 428589184 is about 20702.3956101703. The cubic root of 428589184 is about 753.9578528320.

The spelling of 428589184 in words is "four hundred twenty-eight million, five hundred eighty-nine thousand, one hundred eighty-four".