18472099 has 8 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 17922240.

The previous prime is 18472087. The next prime is 18472109. The reversal of 18472099 is 99027481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18472099 - 2¹¹ = 18470051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18472049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6934 + ... + 9220.

It is an arithmetic number, because the mean of its divisors is an integer number (2378376).

Almost surely, 2^18472099 is an apocalyptic number.

18472099 is a deficient number, since it is larger than the sum of its proper divisors (554909).

18472099 is a wasteful number, since it uses less digits than its factorization.

18472099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 18472099 is about 4297.9179843268. The cubic root of 18472099 is about 264.3455978532.

The spelling of 18472099 in words is "eighteen million, four hundred seventy-two thousand, ninety-nine".