28184104 has 32 divisors (see below), whose sum is σ = 57130920. Its totient is φ = 12957696.

The previous prime is 28184099. The next prime is 28184111. The reversal of 28184104 is 40148182.

It can be written as a sum of positive squares in 4 ways, for example, as 25300900 + 2883204 = 5030^2 + 1698^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47232 + ... + 47824.

Almost surely, 2^28184104 is an apocalyptic number.

It is an amenable number.

28184104 is an abundant number, since it is smaller than the sum of its proper divisors (28946816).

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

28184104 is a wasteful number, since it uses less digits than its factorization.

28184104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1065 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 28184104 is about 5308.8703129762. The cubic root of 28184104 is about 304.3229773762.

The spelling of 28184104 in words is "twenty-eight million, one hundred eighty-four thousand, one hundred four".