16992793 has 4 divisors (see below), whose sum is σ = 17025808. Its totient is φ = 16959780.

The previous prime is 16992779. The next prime is 16992817. The reversal of 16992793 is 39729961.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39729961 = 941 ⋅42221.

It is a cyclic number.

It is not a de Polignac number, because 16992793 - 2⁹ = 16992281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16992713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15723 + ... + 16768.

It is an arithmetic number, because the mean of its divisors is an integer number (4256452).

Almost surely, 2^16992793 is an apocalyptic number.

It is an amenable number.

16992793 is a deficient number, since it is larger than the sum of its proper divisors (33015).

16992793 is an equidigital number, since it uses as much as digits as its factorization.

16992793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33014.

The product of its digits is 183708, while the sum is 46.

The square root of 16992793 is about 4122.2315558445. The cubic root of 16992793 is about 257.0918181918.

The spelling of 16992793 in words is "sixteen million, nine hundred ninety-two thousand, seven hundred ninety-three".