16849 has 8 divisors (see below), whose sum is σ = 20160. Its totient is φ = 13776.

The previous prime is 16843. The next prime is 16871. The reversal of 16849 is 94861.

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

It is a de Polignac number, because none of the positive numbers 2^k-16849 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (16843) 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, 162 + ... + 244.

It is an arithmetic number, because the mean of its divisors is an integer number (2520).

2¹⁶⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

16849 is a deficient number, since it is larger than the sum of its proper divisors (3311).

16849 is an equidigital number, since it uses as much as digits as its factorization.

16849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119.

The product of its digits is 1728, while the sum is 28.

The square root of 16849 is about 129.8036979442. The cubic root of 16849 is about 25.6364592809.

The spelling of 16849 in words is "sixteen thousand, eight hundred forty-nine".