184772980 has 48 divisors (see below), whose sum is σ = 452906496. Its totient is φ = 62000640.

The previous prime is 184772969. The next prime is 184772981. The reversal of 184772980 is 89277481.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 184772980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (184772981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461 + ... + 20620.

It is an arithmetic number, because the mean of its divisors is an integer number (9435552).

Almost surely, 2^184772980 is an apocalyptic number.

184772980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

184772980 is an abundant number, since it is smaller than the sum of its proper divisors (268133516).

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

184772980 is a wasteful number, since it uses less digits than its factorization.

184772980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28144 (or 28142 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 184772980 is about 13593.1225257481. The cubic root of 184772980 is about 569.5687514748.

The spelling of 184772980 in words is "one hundred eighty-four million, seven hundred seventy-two thousand, nine hundred eighty".