18494339 has 8 divisors (see below), whose sum is σ = 19100928. Its totient is φ = 17893440.

The previous prime is 18494303. The next prime is 18494347. The reversal of 18494339 is 93349481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18494339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18494296 and 18494305.

It is not an unprimeable number, because it can be changed into a prime (18494389) 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 7 ways as a sum of consecutive naturals, for example, 5759 + ... + 8375.

It is an arithmetic number, because the mean of its divisors is an integer number (2387616).

Almost surely, 2^18494339 is an apocalyptic number.

18494339 is a deficient number, since it is larger than the sum of its proper divisors (606589).

18494339 is a wasteful number, since it uses less digits than its factorization.

18494339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845.

The product of its digits is 93312, while the sum is 41.

The square root of 18494339 is about 4300.5045052877. The cubic root of 18494339 is about 264.4516440630.

The spelling of 18494339 in words is "eighteen million, four hundred ninety-four thousand, three hundred thirty-nine".