428888184 has 16 divisors (see below), whose sum is σ = 1072220520. Its totient is φ = 142962720.

The previous prime is 428888143. The next prime is 428888219. The reversal of 428888184 is 481888824.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8935147 + ... + 8935194.

Almost surely, 2^428888184 is an apocalyptic number.

It is an amenable number.

428888184 is an abundant number, since it is smaller than the sum of its proper divisors (643332336).

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

428888184 is a wasteful number, since it uses less digits than its factorization.

428888184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870350 (or 17870346 counting only the distinct ones).

The product of its digits is 1048576, while the sum is 51.

The square root of 428888184 is about 20709.6157376229. The cubic root of 428888184 is about 754.1331418991.

The spelling of 428888184 in words is "four hundred twenty-eight million, eight hundred eighty-eight thousand, one hundred eighty-four".