16926949 has 8 divisors (see below), whose sum is σ = 18351872. Its totient is φ = 15519600.

The previous prime is 16926913. The next prime is 16926971. The reversal of 16926949 is 94962961.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16926949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16926899 and 16926908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16926989) 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, 2349 + ... + 6274.

It is an arithmetic number, because the mean of its divisors is an integer number (2293984).

Almost surely, 2^16926949 is an apocalyptic number.

It is an amenable number.

16926949 is a deficient number, since it is larger than the sum of its proper divisors (1424923).

16926949 is a wasteful number, since it uses less digits than its factorization.

16926949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787.

The product of its digits is 209952, while the sum is 46.

The square root of 16926949 is about 4114.2373533864. The cubic root of 16926949 is about 256.7593269386.

The spelling of 16926949 in words is "sixteen million, nine hundred twenty-six thousand, nine hundred forty-nine".