16300989 has 12 divisors (see below), whose sum is σ = 23583196. Its totient is φ = 10850112.

The previous prime is 16300981. The next prime is 16301017. The reversal of 16300989 is 98900361.

It can be written as a sum of positive squares in 2 ways, for example, as 5212089 + 11088900 = 2283^2 + 3330^2 .

It is not a de Polignac number, because 16300989 - 2³ = 16300981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16300981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7467 + ... + 9399.

Almost surely, 2^16300989 is an apocalyptic number.

It is an amenable number.

16300989 is a deficient number, since it is larger than the sum of its proper divisors (7282207).

16300989 is a wasteful number, since it uses less digits than its factorization.

16300989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876 (or 2873 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16300989 is about 4037.4483278427. The cubic root of 16300989 is about 253.5544973458.

The spelling of 16300989 in words is "sixteen million, three hundred thousand, nine hundred eighty-nine".