16992249 has 4 divisors (see below), whose sum is σ = 22656336. Its totient is φ = 11328164.

The previous prime is 16992229. The next prime is 16992253. The reversal of 16992249 is 94229961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16992249 - 2¹⁹ = 16467961 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16992249.

It is not an unprimeable number, because it can be changed into a prime (16992229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832039 + ... + 2832044.

It is an arithmetic number, because the mean of its divisors is an integer number (5664084).

Almost surely, 2^16992249 is an apocalyptic number.

It is an amenable number.

16992249 is a deficient number, since it is larger than the sum of its proper divisors (5664087).

16992249 is an equidigital number, since it uses as much as digits as its factorization.

16992249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664086.

The product of its digits is 69984, while the sum is 42.

The square root of 16992249 is about 4122.1655716383. The cubic root of 16992249 is about 257.0890746867.

The spelling of 16992249 in words is "sixteen million, nine hundred ninety-two thousand, two hundred forty-nine".