18098313 has 8 divisors (see below), whose sum is σ = 24692448. Its totient is φ = 11784864.

The previous prime is 18098299. The next prime is 18098321. The reversal of 18098313 is 31389081.

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

It is not a de Polignac number, because 18098313 - 2⁹ = 18097801 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (18098363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70020 + ... + 70277.

It is an arithmetic number, because the mean of its divisors is an integer number (3086556).

Almost surely, 2^18098313 is an apocalyptic number.

It is an amenable number.

18098313 is a deficient number, since it is larger than the sum of its proper divisors (6594135).

18098313 is a wasteful number, since it uses less digits than its factorization.

18098313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140343.

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

The square root of 18098313 is about 4254.2112077329. The cubic root of 18098313 is about 262.5504084599.

The spelling of 18098313 in words is "eighteen million, ninety-eight thousand, three hundred thirteen".