18296897 has 2 divisors, whose sum is σ = 18296898. Its totient is φ = 18296896.

The previous prime is 18296827. The next prime is 18296921. The reversal of 18296897 is 79869281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 2961841 = 3916^2 + 1721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18296897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18296807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9148448 + 9148449.

It is an arithmetic number, because the mean of its divisors is an integer number (9148449).

Almost surely, 2^18296897 is an apocalyptic number.

It is an amenable number.

18296897 is a deficient number, since it is larger than the sum of its proper divisors (1).

18296897 is an equidigital number, since it uses as much as digits as its factorization.

18296897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The square root of 18296897 is about 4277.4872296712. The cubic root of 18296897 is about 263.5071968672.

It can be divided in two parts, 182 and 96897, that added together give a palindrome (97079).

The spelling of 18296897 in words is "eighteen million, two hundred ninety-six thousand, eight hundred ninety-seven".