16949873 has 4 divisors (see below), whose sum is σ = 17686848. Its totient is φ = 16212900.

The previous prime is 16949857. The next prime is 16949879. The reversal of 16949873 is 37894961.

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 16949873 - 2⁴ = 16949857 is a prime.

It is a super-2 number, since 2×16949873² = 574596389432258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16949879) 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, 368453 + ... + 368498.

It is an arithmetic number, because the mean of its divisors is an integer number (4421712).

Almost surely, 2^16949873 is an apocalyptic number.

It is an amenable number.

16949873 is a deficient number, since it is larger than the sum of its proper divisors (736975).

16949873 is an equidigital number, since it uses as much as digits as its factorization.

16949873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736974.

The product of its digits is 326592, while the sum is 47.

The square root of 16949873 is about 4117.0223463081. The cubic root of 16949873 is about 256.8751835275.

The spelling of 16949873 in words is "sixteen million, nine hundred forty-nine thousand, eight hundred seventy-three".