17980190 has 16 divisors (see below), whose sum is σ = 32532192. Its totient is φ = 7154784.

The previous prime is 17980189. The next prime is 17980241. The reversal of 17980190 is 9108971.

It is a super-2 number, since 2×17980190² = 646574464872200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 17980190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2594 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (2033262).

Almost surely, 2^17980190 is an apocalyptic number.

17980190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17980190 is a deficient number, since it is larger than the sum of its proper divisors (14552002).

17980190 is a wasteful number, since it uses less digits than its factorization.

17980190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9331.

The product of its (nonzero) digits is 4536, while the sum is 35.

The square root of 17980190 is about 4240.3054135286. The cubic root of 17980190 is about 261.9779617459.

The spelling of 17980190 in words is "seventeen million, nine hundred eighty thousand, one hundred ninety".