28133176 has 16 divisors (see below), whose sum is σ = 53020440. Its totient is φ = 13994400.

The previous prime is 28133153. The next prime is 28133177. The reversal of 28133176 is 67133182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28133177) 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, 7350 + ... + 10501.

Almost surely, 2^28133176 is an apocalyptic number.

It is an amenable number.

28133176 is a deficient number, since it is larger than the sum of its proper divisors (24887264).

28133176 is a wasteful number, since it uses less digits than its factorization.

28133176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18054 (or 18050 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 28133176 is about 5304.0716435584. The cubic root of 28133176 is about 304.1395654175.

The spelling of 28133176 in words is "twenty-eight million, one hundred thirty-three thousand, one hundred seventy-six".