28925118 has 12 divisors (see below), whose sum is σ = 62671128. Its totient is φ = 9641700.

The previous prime is 28925101. The next prime is 28925123. The reversal of 28925118 is 81152982.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803458 + ... + 803493.

It is an arithmetic number, because the mean of its divisors is an integer number (5222594).

Almost surely, 2^28925118 is an apocalyptic number.

28925118 is an abundant number, since it is smaller than the sum of its proper divisors (33746010).

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

28925118 is a wasteful number, since it uses less digits than its factorization.

28925118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606959 (or 1606956 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 28925118 is about 5378.2076940185. The cubic root of 28925118 is about 306.9670164425.

The spelling of 28925118 in words is "twenty-eight million, nine hundred twenty-five thousand, one hundred eighteen".