16949339 has 4 divisors (see below), whose sum is σ = 18490200. Its totient is φ = 15408480.

The previous prime is 16949327. The next prime is 16949341. The reversal of 16949339 is 93394961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16949339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16949339.

It is not an unprimeable number, because it can be changed into a prime (16949239) 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, 770414 + ... + 770435.

It is an arithmetic number, because the mean of its divisors is an integer number (4622550).

Almost surely, 2^16949339 is an apocalyptic number.

16949339 is a deficient number, since it is larger than the sum of its proper divisors (1540861).

16949339 is a wasteful number, since it uses less digits than its factorization.

16949339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540860.

The product of its digits is 157464, while the sum is 44.

The square root of 16949339 is about 4116.9574931009. The cubic root of 16949339 is about 256.8724859106.

The spelling of 16949339 in words is "sixteen million, nine hundred forty-nine thousand, three hundred thirty-nine".