18088039 has 2 divisors, whose sum is σ = 18088040. Its totient is φ = 18088038.

The previous prime is 18088033. The next prime is 18088061. The reversal of 18088039 is 93088081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18088039 - 2¹⁹ = 17563751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18087989 and 18088007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18088033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9044019 + 9044020.

It is an arithmetic number, because the mean of its divisors is an integer number (9044020).

Almost surely, 2^18088039 is an apocalyptic number.

18088039 is a deficient number, since it is larger than the sum of its proper divisors (1).

18088039 is an equidigital number, since it uses as much as digits as its factorization.

18088039 is an evil number, because the sum of its binary digits is even.

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

The square root of 18088039 is about 4253.0035269207. The cubic root of 18088039 is about 262.5007177607.

The spelling of 18088039 in words is "eighteen million, eighty-eight thousand, thirty-nine".