17979468 has 48 divisors (see below), whose sum is σ = 47152896. Its totient is φ = 5290560.

The previous prime is 17979439. The next prime is 17979487. The reversal of 17979468 is 86497971.

It is a super-2 number, since 2×17979468² = 646522539126048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 17979468.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083 + ... + 6093.

It is an arithmetic number, because the mean of its divisors is an integer number (982352).

Almost surely, 2^17979468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 17979468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23576448).

17979468 is an abundant number, since it is smaller than the sum of its proper divisors (29173428).

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

17979468 is a wasteful number, since it uses less digits than its factorization.

17979468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5054 (or 5052 counting only the distinct ones).

The product of its digits is 762048, while the sum is 51.

The square root of 17979468 is about 4240.2202772969. The cubic root of 17979468 is about 261.9744550974.

The spelling of 17979468 in words is "seventeen million, nine hundred seventy-nine thousand, four hundred sixty-eight".