18099476 has 12 divisors (see below), whose sum is σ = 33341280. Its totient is φ = 8573400.

The previous prime is 18099467. The next prime is 18099479. The reversal of 18099476 is 67499081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18099479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119000 + ... + 119151.

It is an arithmetic number, because the mean of its divisors is an integer number (2778440).

Almost surely, 2^18099476 is an apocalyptic number.

It is an amenable number.

18099476 is a deficient number, since it is larger than the sum of its proper divisors (15241804).

18099476 is a wasteful number, since it uses less digits than its factorization.

18099476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238174 (or 238172 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 18099476 is about 4254.3478936260. The cubic root of 18099476 is about 262.5560321808.

The spelling of 18099476 in words is "eighteen million, ninety-nine thousand, four hundred seventy-six".