18099204 has 24 divisors (see below), whose sum is σ = 43262688. Its totient is φ = 5885760.

The previous prime is 18099199. The next prime is 18099209. The reversal of 18099204 is 40299081.

It is an interprime number because it is at equal distance from previous prime (18099199) and next prime (18099209).

It is a super-3 number, since 3×18099204³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18099209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17902 + ... + 18885.

It is an arithmetic number, because the mean of its divisors is an integer number (1802612).

Almost surely, 2^18099204 is an apocalyptic number.

It is an amenable number.

18099204 is an abundant number, since it is smaller than the sum of its proper divisors (25163484).

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

18099204 is a wasteful number, since it uses less digits than its factorization.

18099204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36835 (or 36833 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 18099204 is about 4254.3159262095. The cubic root of 18099204 is about 262.5547169384.

The spelling of 18099204 in words is "eighteen million, ninety-nine thousand, two hundred four".