16908793 has 4 divisors (see below), whose sum is σ = 18445968. Its totient is φ = 15371620.

The previous prime is 16908779. The next prime is 16908797. The reversal of 16908793 is 39780961.

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 not a de Polignac number, because 16908793 - 2¹⁷ = 16777721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16908797) 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, 768571 + ... + 768592.

It is an arithmetic number, because the mean of its divisors is an integer number (4611492).

Almost surely, 2^16908793 is an apocalyptic number.

It is an amenable number.

16908793 is a deficient number, since it is larger than the sum of its proper divisors (1537175).

16908793 is a wasteful number, since it uses less digits than its factorization.

16908793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537174.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 16908793 is about 4112.0302771259. The cubic root of 16908793 is about 256.6674932977.

It can be divided in two parts, 16 and 908793, that added together give a palindrome (908809).

The spelling of 16908793 in words is "sixteen million, nine hundred eight thousand, seven hundred ninety-three".