16857339 has 16 divisors (see below), whose sum is σ = 23157792. Its totient is φ = 10902528.

The previous prime is 16857331. The next prime is 16857361. The reversal of 16857339 is 93375861.

It is not a de Polignac number, because 16857339 - 2³ = 16857331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16857339.

It is not an unprimeable number, because it can be changed into a prime (16857331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14877 + ... + 15969.

It is an arithmetic number, because the mean of its divisors is an integer number (1447362).

Almost surely, 2^16857339 is an apocalyptic number.

16857339 is a deficient number, since it is larger than the sum of its proper divisors (6300453).

16857339 is a wasteful number, since it uses less digits than its factorization.

16857339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its digits is 136080, while the sum is 42.

The square root of 16857339 is about 4105.7689900919. The cubic root of 16857339 is about 256.4068796257.

The spelling of 16857339 in words is "sixteen million, eight hundred fifty-seven thousand, three hundred thirty-nine".