18099104 has 12 divisors (see below), whose sum is σ = 35632674. Its totient is φ = 9049536.

The previous prime is 18099061. The next prime is 18099131. The reversal of 18099104 is 40199081.

It can be written as a sum of positive squares in only one way, i.e., 18079504 + 19600 = 4252^2 + 140^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 565597 = 18099104 / (1 + 8 + 0 + 9 + 9 + 1 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282767 + ... + 282830.

Almost surely, 2^18099104 is an apocalyptic number.

It is an amenable number.

18099104 is a deficient number, since it is larger than the sum of its proper divisors (17533570).

18099104 is an equidigital number, since it uses as much as digits as its factorization.

18099104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565607 (or 565599 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 18099104 is about 4254.3041734225. The cubic root of 18099104 is about 262.5542333900.

Adding to 18099104 its sum of digits (32), we get a triangular number (18099136 = T₆₀₁₆).

The spelling of 18099104 in words is "eighteen million, ninety-nine thousand, one hundred four".