170979994 has 8 divisors (see below), whose sum is σ = 260817120. Its totient is φ = 84040956.

The previous prime is 170979967. The next prime is 170980001. The reversal of 170979994 is 499979071.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 724374 + ... + 724609.

It is an arithmetic number, because the mean of its divisors is an integer number (32602140).

Almost surely, 2^170979994 is an apocalyptic number.

170979994 is a deficient number, since it is larger than the sum of its proper divisors (89837126).

170979994 is a wasteful number, since it uses less digits than its factorization.

170979994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449044.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The square root of 170979994 is about 13075.9318597184. The cubic root of 170979994 is about 555.0282635824.

The spelling of 170979994 in words is "one hundred seventy million, nine hundred seventy-nine thousand, nine hundred ninety-four".