18089083 has 4 divisors (see below), whose sum is σ = 19041160. Its totient is φ = 17137008.

The previous prime is 18089081. The next prime is 18089117. The reversal of 18089083 is 38098081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18089083 - 2¹ = 18089081 is a prime.

It is a super-3 number, since 3×18089083³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18089081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476010 + ... + 476047.

It is an arithmetic number, because the mean of its divisors is an integer number (4760290).

Almost surely, 2^18089083 is an apocalyptic number.

18089083 is a deficient number, since it is larger than the sum of its proper divisors (952077).

18089083 is an equidigital number, since it uses as much as digits as its factorization.

18089083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952076.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 18089083 is about 4253.1262619396. The cubic root of 18089083 is about 262.5057679761.

The spelling of 18089083 in words is "eighteen million, eighty-nine thousand, eighty-three".