16914889 has 2 divisors, whose sum is σ = 16914890. Its totient is φ = 16914888.

The previous prime is 16914853. The next prime is 16914893. The reversal of 16914889 is 98841961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9030025 + 7884864 = 3005^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 16914889 - 2⁷ = 16914761 is a prime.

It is a super-2 number, since 2×16914889² = 572226939764642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16914839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8457444 + 8457445.

It is an arithmetic number, because the mean of its divisors is an integer number (8457445).

Almost surely, 2^16914889 is an apocalyptic number.

It is an amenable number.

16914889 is a deficient number, since it is larger than the sum of its proper divisors (1).

16914889 is an equidigital number, since it uses as much as digits as its factorization.

16914889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 46.

The square root of 16914889 is about 4112.7714500079. The cubic root of 16914889 is about 256.6983343922.

The spelling of 16914889 in words is "sixteen million, nine hundred fourteen thousand, eight hundred eighty-nine".