16885944 has 24 divisors (see below), whose sum is σ = 45732960. Its totient is φ = 5628624.

The previous prime is 16885931. The next prime is 16885951. The reversal of 16885944 is 44958861.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16885944² = 570270209542272, which contains 22 as substring.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 16885944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117192 + ... + 117335.

It is an arithmetic number, because the mean of its divisors is an integer number (1905540).

Almost surely, 2^16885944 is an apocalyptic number.

It is an amenable number.

16885944 is an abundant number, since it is smaller than the sum of its proper divisors (28847016).

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

16885944 is a wasteful number, since it uses less digits than its factorization.

16885944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234539 (or 234532 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 16885944 is about 4109.2510266471. The cubic root of 16885944 is about 256.5518288390.

The spelling of 16885944 in words is "sixteen million, eight hundred eighty-five thousand, nine hundred forty-four".