28874184 has 64 divisors (see below), whose sum is σ = 74323200. Its totient is φ = 9345024.

The previous prime is 28874161. The next prime is 28874189. The reversal of 28874184 is 48147882.

It is not an unprimeable number, because it can be changed into a prime (28874189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183834 + ... + 183990.

It is an arithmetic number, because the mean of its divisors is an integer number (1161300).

Almost surely, 2^28874184 is an apocalyptic number.

28874184 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28874184 is an abundant number, since it is smaller than the sum of its proper divisors (45449016).

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

28874184 is a wasteful number, since it uses less digits than its factorization.

28874184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 338 counting only the distinct ones).

The product of its digits is 114688, while the sum is 42.

The square root of 28874184 is about 5373.4703870032. The cubic root of 28874184 is about 306.7867320242.

The spelling of 28874184 in words is "twenty-eight million, eight hundred seventy-four thousand, one hundred eighty-four".