184400428 has 12 divisors (see below), whose sum is σ = 341683272. Its totient is φ = 86776640.

The previous prime is 184400417. The next prime is 184400441. The reversal of 184400428 is 824004481.

It is a self number, because there is not a number n which added to its sum of digits gives 184400428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355818 + ... + 1355953.

It is an arithmetic number, because the mean of its divisors is an integer number (28473606).

Almost surely, 2^184400428 is an apocalyptic number.

It is an amenable number.

184400428 is a deficient number, since it is larger than the sum of its proper divisors (157282844).

184400428 is a wasteful number, since it uses less digits than its factorization.

184400428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711792 (or 2711790 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 184400428 is about 13579.4119165743. The cubic root of 184400428 is about 569.1856926696.

The spelling of 184400428 in words is "one hundred eighty-four million, four hundred thousand, four hundred twenty-eight".