16857093 has 16 divisors (see below), whose sum is σ = 24653376. Its totient is φ = 10160640.

The previous prime is 16857079. The next prime is 16857097. The reversal of 16857093 is 39075861.

It is not a de Polignac number, because 16857093 - 2¹⁶ = 16791557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16857097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5205 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (1540836).

Almost surely, 2^16857093 is an apocalyptic number.

It is an amenable number.

16857093 is a deficient number, since it is larger than the sum of its proper divisors (7796283).

16857093 is a wasteful number, since it uses less digits than its factorization.

16857093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 16857093 is about 4105.7390321354. The cubic root of 16857093 is about 256.4056323668.

It can be divided in two parts, 1685 and 7093, that added together give a palindrome (8778).

The spelling of 16857093 in words is "sixteen million, eight hundred fifty-seven thousand, ninety-three".