18089335 has 8 divisors (see below), whose sum is σ = 23680656. Its totient is φ = 13155840.

The previous prime is 18089333. The next prime is 18089371. The reversal of 18089335 is 53398081.

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

It is not a de Polignac number, because 18089335 - 2¹ = 18089333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18089294 and 18089303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18089333) 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, 164394 + ... + 164503.

It is an arithmetic number, because the mean of its divisors is an integer number (2960082).

Almost surely, 2^18089335 is an apocalyptic number.

18089335 is a deficient number, since it is larger than the sum of its proper divisors (5591321).

18089335 is a wasteful number, since it uses less digits than its factorization.

18089335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328913.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 18089335 is about 4253.1558871031. The cubic root of 18089335 is about 262.5069869644.

The spelling of 18089335 in words is "eighteen million, eighty-nine thousand, three hundred thirty-five".