18034689 has 8 divisors (see below), whose sum is σ = 24082240. Its totient is φ = 12005136.

The previous prime is 18034669. The next prime is 18034697. The reversal of 18034689 is 98643081.

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

It is not a de Polignac number, because 18034689 - 2²⁰ = 16986113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18034619) 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, 1954 + ... + 6315.

It is an arithmetic number, because the mean of its divisors is an integer number (3010280).

Almost surely, 2^18034689 is an apocalyptic number.

It is an amenable number.

18034689 is a deficient number, since it is larger than the sum of its proper divisors (6047551).

18034689 is an equidigital number, since it uses as much as digits as its factorization.

18034689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8999.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 18034689 is about 4246.7268572396. The cubic root of 18034689 is about 262.2423849033.

The spelling of 18034689 in words is "eighteen million, thirty-four thousand, six hundred eighty-nine".