17940085 has 8 divisors (see below), whose sum is σ = 22661280. Its totient is φ = 13596624.

The previous prime is 17940059. The next prime is 17940107. The reversal of 17940085 is 58004971.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17940085 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17940085.

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, 94327 + ... + 94516.

It is an arithmetic number, because the mean of its divisors is an integer number (2832660).

Almost surely, 2^17940085 is an apocalyptic number.

It is an amenable number.

17940085 is a deficient number, since it is larger than the sum of its proper divisors (4721195).

17940085 is a wasteful number, since it uses less digits than its factorization.

17940085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188867.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 17940085 is about 4235.5737509811. The cubic root of 17940085 is about 261.7830352266.

The spelling of 17940085 in words is "seventeen million, nine hundred forty thousand, eighty-five".