16979004 has 96 divisors (see below), whose sum is σ = 51752960. Its totient is φ = 4712256.

The previous prime is 16978999. The next prime is 16979021. The reversal of 16979004 is 40097961.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16979004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27669 + ... + 28275.

Almost surely, 2^16979004 is an apocalyptic number.

16979004 is a gapful number since it is divisible by the number (14) 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 16979004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25876480).

16979004 is an abundant number, since it is smaller than the sum of its proper divisors (34773956).

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

16979004 is a wasteful number, since it uses less digits than its factorization.

16979004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 16979004 is about 4120.5586999823. The cubic root of 16979004 is about 257.0222593225.

It can be divided in two parts, 1697 and 9004, that added together give a palindrome (10701).

The spelling of 16979004 in words is "sixteen million, nine hundred seventy-nine thousand, four".