28152184 has 16 divisors (see below), whose sum is σ = 55080720. Its totient is φ = 13464000.

The previous prime is 28152181. The next prime is 28152211. The reversal of 28152184 is 48125182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28152181) 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 3 ways as a sum of consecutive naturals, for example, 76317 + ... + 76684.

It is an arithmetic number, because the mean of its divisors is an integer number (3442545).

Almost surely, 2^28152184 is an apocalyptic number.

It is an amenable number.

28152184 is a deficient number, since it is larger than the sum of its proper divisors (26928536).

28152184 is a wasteful number, since it uses less digits than its factorization.

28152184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153030 (or 153026 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 28152184 is about 5305.8631720013. The cubic root of 28152184 is about 304.2080466461.

The spelling of 28152184 in words is "twenty-eight million, one hundred fifty-two thousand, one hundred eighty-four".