16709849 has 8 divisors (see below), whose sum is σ = 18027072. Its totient is φ = 15397200.

The previous prime is 16709821. The next prime is 16709851. The reversal of 16709849 is 94890761.

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

It is not a de Polignac number, because 16709849 - 2⁸ = 16709593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16709879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13052 + ... + 14274.

It is an arithmetic number, because the mean of its divisors is an integer number (2253384).

Almost surely, 2^16709849 is an apocalyptic number.

It is an amenable number.

16709849 is a deficient number, since it is larger than the sum of its proper divisors (1317223).

16709849 is a wasteful number, since it uses less digits than its factorization.

16709849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 16709849 is about 4087.7682174996. The cubic root of 16709849 is about 255.6568940742.

The spelling of 16709849 in words is "sixteen million, seven hundred nine thousand, eight hundred forty-nine".