16944931 has 8 divisors (see below), whose sum is σ = 17605728. Its totient is φ = 16296000.

The previous prime is 16944923. The next prime is 16944943. The reversal of 16944931 is 13944961.

16944931 is a nontrivial binomial coefficient, being equal to C(5822, 2).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16944931 - 2³ = 16944923 is a prime.

It is a super-2 number, since 2×16944931² = 574261373189522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16944911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1 + ... + 5821.

It is an arithmetic number, because the mean of its divisors is an integer number (2200716).

Almost surely, 2^16944931 is an apocalyptic number.

16944931 is the 5821-st triangular number and also the 2911-st hexagonal number.

16944931 is the 1941-st centered nonagonal number.

16944931 is a deficient number, since it is larger than the sum of its proper divisors (660797).

16944931 is an equidigital number, since it uses as much as digits as its factorization.

16944931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5933.

The product of its digits is 23328, while the sum is 37.

The square root of 16944931 is about 4116.4221114944. The cubic root of 16944931 is about 256.8502157779.

The spelling of 16944931 in words is "sixteen million, nine hundred forty-four thousand, nine hundred thirty-one".