28174164 has 48 divisors (see below), whose sum is σ = 69189120. Its totient is φ = 8910720.

The previous prime is 28174163. The next prime is 28174171. The reversal of 28174164 is 46147182.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28174163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19002 + ... + 20430.

It is an arithmetic number, because the mean of its divisors is an integer number (1441440).

Almost surely, 2^28174164 is an apocalyptic number.

It is an amenable number.

28174164 is an abundant number, since it is smaller than the sum of its proper divisors (41014956).

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

28174164 is a wasteful number, since it uses less digits than its factorization.

28174164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1518 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 28174164 is about 5307.9340613840. The cubic root of 28174164 is about 304.2871968516.

The spelling of 28174164 in words is "twenty-eight million, one hundred seventy-four thousand, one hundred sixty-four".