16979424 has 96 divisors (see below), whose sum is σ = 55593216. Its totient is φ = 4408320.

The previous prime is 16979423. The next prime is 16979441. The reversal of 16979424 is 42497961.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16979423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6244 + ... + 8540.

It is an arithmetic number, because the mean of its divisors is an integer number (579096).

Almost surely, 2^16979424 is an apocalyptic number.

16979424 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 16979424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27796608).

16979424 is an abundant number, since it is smaller than the sum of its proper divisors (38613792).

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

16979424 is a wasteful number, since it uses less digits than its factorization.

16979424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2320 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 16979424 is about 4120.6096636299. The cubic root of 16979424 is about 257.0243785764.

The spelling of 16979424 in words is "sixteen million, nine hundred seventy-nine thousand, four hundred twenty-four".