170494 has 4 divisors (see below), whose sum is σ = 255744. Its totient is φ = 85246.

The previous prime is 170483. The next prime is 170497. The reversal of 170494 is 494071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494071 = 17 ⋅29063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42622 + ... + 42625.

It is an arithmetic number, because the mean of its divisors is an integer number (63936).

2¹⁷⁰⁴⁹⁴ is an apocalyptic number.

170494 is a deficient number, since it is larger than the sum of its proper divisors (85250).

170494 is an equidigital number, since it uses as much as digits as its factorization.

170494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85249.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 170494 is about 412.9091909851. The cubic root of 170494 is about 55.4501893266.

The spelling of 170494 in words is "one hundred seventy thousand, four hundred ninety-four".