16939008 has 72 divisors (see below), whose sum is σ = 48976200. Its totient is φ = 5640192.

The previous prime is 16939001. The next prime is 16939037. The reversal of 16939008 is 80093961.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16939001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17973 + ... + 18891.

It is an arithmetic number, because the mean of its divisors is an integer number (680225).

Almost surely, 2^16939008 is an apocalyptic number.

16939008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16939008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24488100).

16939008 is an abundant number, since it is smaller than the sum of its proper divisors (32037192).

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

16939008 is an equidigital number, since it uses as much as digits as its factorization.

16939008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 16939008 is about 4115.7026131634. The cubic root of 16939008 is about 256.8202854677.

It can be divided in two parts, 1693 and 9008, that added together give a palindrome (10701).

The spelling of 16939008 in words is "sixteen million, nine hundred thirty-nine thousand, eight".