28132184 has 16 divisors (see below), whose sum is σ = 53261520. Its totient is φ = 13929120.

The previous prime is 28132183. The next prime is 28132189. The reversal of 28132184 is 48123182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28132183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16247 + ... + 17894.

It is an arithmetic number, because the mean of its divisors is an integer number (3328845).

Almost surely, 2^28132184 is an apocalyptic number.

It is an amenable number.

28132184 is a deficient number, since it is larger than the sum of its proper divisors (25129336).

28132184 is a wasteful number, since it uses less digits than its factorization.

28132184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34250 (or 34246 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 28132184 is about 5303.9781296683. The cubic root of 28132184 is about 304.1359906346.

The spelling of 28132184 in words is "twenty-eight million, one hundred thirty-two thousand, one hundred eighty-four".