170540 has 12 divisors (see below), whose sum is σ = 358176. Its totient is φ = 68208.

The previous prime is 170539. The next prime is 170551. The reversal of 170540 is 45071.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4244 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (29848).

2¹⁷⁰⁵⁴⁰ is an apocalyptic number.

170540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

170540 is an abundant number, since it is smaller than the sum of its proper divisors (187636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

170540 is a wasteful number, since it uses less digits than its factorization.

170540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8536 (or 8534 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 170540 is about 412.9648895487. The cubic root of 170540 is about 55.4551757765.

The spelling of 170540 in words is "one hundred seventy thousand, five hundred forty".