28163154 has 8 divisors (see below), whose sum is σ = 56326320. Its totient is φ = 9387716.

The previous prime is 28163129. The next prime is 28163171. The reversal of 28163154 is 45136182.

It is a sphenic number, since it is the product of 3 distinct primes.

28163154 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346924 + ... + 2346935.

It is an arithmetic number, because the mean of its divisors is an integer number (7040790).

Almost surely, 2^28163154 is an apocalyptic number.

28163154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28163154 is a wasteful number, since it uses less digits than its factorization.

28163154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693864.

The product of its digits is 5760, while the sum is 30.

The square root of 28163154 is about 5306.8968333669. The cubic root of 28163154 is about 304.2475548763.

The spelling of 28163154 in words is "twenty-eight million, one hundred sixty-three thousand, one hundred fifty-four".