16979274 has 96 divisors (see below), whose sum is σ = 43525440. Its totient is φ = 4875552.

The previous prime is 16979251. The next prime is 16979309. The reversal of 16979274 is 47297961.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 253389 + ... + 253455.

It is an arithmetic number, because the mean of its divisors is an integer number (453390).

Almost surely, 2^16979274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16979274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21762720).

16979274 is an abundant number, since it is smaller than the sum of its proper divisors (26546166).

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

16979274 is a wasteful number, since it uses less digits than its factorization.

16979274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 104 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 16979274 is about 4120.5914623995. The cubic root of 16979274 is about 257.0236217040.

The spelling of 16979274 in words is "sixteen million, nine hundred seventy-nine thousand, two hundred seventy-four".