28088154 has 16 divisors (see below), whose sum is σ = 62418240. Its totient is φ = 9362700.

The previous prime is 28088149. The next prime is 28088161. The reversal of 28088154 is 45188082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260022 + ... + 260129.

It is an arithmetic number, because the mean of its divisors is an integer number (3901140).

Almost surely, 2^28088154 is an apocalyptic number.

28088154 is an abundant number, since it is smaller than the sum of its proper divisors (34330086).

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

28088154 is a wasteful number, since it uses less digits than its factorization.

28088154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520162 (or 520156 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 28088154 is about 5299.8258461953. The cubic root of 28088154 is about 303.9772388891.

The spelling of 28088154 in words is "twenty-eight million, eighty-eight thousand, one hundred fifty-four".