17980085 has 8 divisors (see below), whose sum is σ = 22035456. Its totient is φ = 14077840.

The previous prime is 17980057. The next prime is 17980103. The reversal of 17980085 is 58008971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17980085 - 2⁶ = 17980021 is a prime.

It is a Duffinian number.

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, 38021 + ... + 38490.

It is an arithmetic number, because the mean of its divisors is an integer number (2754432).

Almost surely, 2^17980085 is an apocalyptic number.

It is an amenable number.

17980085 is a deficient number, since it is larger than the sum of its proper divisors (4055371).

17980085 is an equidigital number, since it uses as much as digits as its factorization.

17980085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76563.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 17980085 is about 4240.2930323269. The cubic root of 17980085 is about 261.9774517821.

The spelling of 17980085 in words is "seventeen million, nine hundred eighty thousand, eighty-five".