16868244 has 24 divisors (see below), whose sum is σ = 39584160. Its totient is φ = 5590624.

The previous prime is 16868239. The next prime is 16868249. The reversal of 16868244 is 44286861.

It is an interprime number because it is at equal distance from previous prime (16868239) and next prime (16868249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16868249) 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, 1779 + ... + 6074.

It is an arithmetic number, because the mean of its divisors is an integer number (1649340).

Almost surely, 2^16868244 is an apocalyptic number.

It is an amenable number.

16868244 is an abundant number, since it is smaller than the sum of its proper divisors (22715916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16868244 is a wasteful number, since it uses less digits than its factorization.

16868244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8039 (or 8037 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 16868244 is about 4107.0967848348. The cubic root of 16868244 is about 256.4621575139.

The spelling of 16868244 in words is "sixteen million, eight hundred sixty-eight thousand, two hundred forty-four".