18334089 has 24 divisors (see below), whose sum is σ = 27406080. Its totient is φ = 11803968.

The previous prime is 18334087. The next prime is 18334091. The reversal of 18334089 is 98043381.

It is an interprime number because it is at equal distance from previous prime (18334087) and next prime (18334091).

It is not a de Polignac number, because 18334089 - 2¹ = 18334087 is a prime.

It is a super-2 number, since 2×18334089² = 672277638919842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18334087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37404 + ... + 37890.

It is an arithmetic number, because the mean of its divisors is an integer number (1141920).

Almost surely, 2^18334089 is an apocalyptic number.

It is an amenable number.

18334089 is a deficient number, since it is larger than the sum of its proper divisors (9071991).

18334089 is a wasteful number, since it uses less digits than its factorization.

18334089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 18334089 is about 4281.8324348344. The cubic root of 18334089 is about 263.6856192299.

The spelling of 18334089 in words is "eighteen million, three hundred thirty-four thousand, eighty-nine".