170093997 has 6 divisors (see below), whose sum is σ = 245691342. Its totient is φ = 113395992.

The previous prime is 170093983. The next prime is 170094049. The reversal of 170093997 is 799390071.

It can be written as a sum of positive squares in only one way, i.e., 115541001 + 54552996 = 10749^2 + 7386^2 .

It is not a de Polignac number, because 170093997 - 2⁴ = 170093981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170093927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9449658 + ... + 9449675.

It is an arithmetic number, because the mean of its divisors is an integer number (40948557).

Almost surely, 2^170093997 is an apocalyptic number.

It is an amenable number.

170093997 is a deficient number, since it is larger than the sum of its proper divisors (75597345).

170093997 is a wasteful number, since it uses less digits than its factorization.

170093997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899339 (or 18899336 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 170093997 is about 13042.0089326760. The cubic root of 170093997 is about 554.0679071099.

The spelling of 170093997 in words is "one hundred seventy million, ninety-three thousand, nine hundred ninety-seven".