28984188 has 24 divisors (see below), whose sum is σ = 68584320. Its totient is φ = 9525040.

The previous prime is 28984187. The next prime is 28984223. The reversal of 28984188 is 88148982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28984183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16158 + ... + 17861.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2^28984188 is an apocalyptic number.

It is an amenable number.

28984188 is an abundant number, since it is smaller than the sum of its proper divisors (39600132).

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

28984188 is a wasteful number, since it uses less digits than its factorization.

28984188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34097 (or 34095 counting only the distinct ones).

The product of its digits is 294912, while the sum is 48.

The square root of 28984188 is about 5383.6964996181. The cubic root of 28984188 is about 307.1758339416.

The spelling of 28984188 in words is "twenty-eight million, nine hundred eighty-four thousand, one hundred eighty-eight".