18093337 has 2 divisors, whose sum is σ = 18093338. Its totient is φ = 18093336.

The previous prime is 18093331. The next prime is 18093343. The reversal of 18093337 is 73339081.

It is a balanced prime because it is at equal distance from previous prime (18093331) and next prime (18093343).

It can be written as a sum of positive squares in only one way, i.e., 16232841 + 1860496 = 4029^2 + 1364^2 .

It is a cyclic number.

It is not a de Polignac number, because 18093337 - 2¹⁹ = 17569049 is a prime.

It is not a weakly prime, because it can be changed into another prime (18093331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9046668 + 9046669.

It is an arithmetic number, because the mean of its divisors is an integer number (9046669).

Almost surely, 2^18093337 is an apocalyptic number.

It is an amenable number.

18093337 is a deficient number, since it is larger than the sum of its proper divisors (1).

18093337 is an equidigital number, since it uses as much as digits as its factorization.

18093337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 18093337 is about 4253.6263352580. The cubic root of 18093337 is about 262.5263441437.

The spelling of 18093337 in words is "eighteen million, ninety-three thousand, three hundred thirty-seven".