170098 has 4 divisors (see below), whose sum is σ = 255150. Its totient is φ = 85048.

The previous prime is 170081. The next prime is 170099. The reversal of 170098 is 890071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 146689 + 23409 = 383^2 + 153^2 .

It is not an unprimeable number, because it can be changed into a prime (170099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42523 + ... + 42526.

2¹⁷⁰⁰⁹⁸ is an apocalyptic number.

170098 is a deficient number, since it is larger than the sum of its proper divisors (85052).

170098 is an equidigital number, since it uses as much as digits as its factorization.

170098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85051.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 170098 is about 412.4293878957. The cubic root of 170098 is about 55.4072253562.

The spelling of 170098 in words is "one hundred seventy thousand, ninety-eight".