170932609 has 4 divisors (see below), whose sum is σ = 172162480. Its totient is φ = 169702740.

The previous prime is 170932591. The next prime is 170932621. The reversal of 170932609 is 906239071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 906239071 = 12611 ⋅71861.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170932609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170932669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614727 + ... + 615004.

It is an arithmetic number, because the mean of its divisors is an integer number (43040620).

Almost surely, 2^170932609 is an apocalyptic number.

It is an amenable number.

170932609 is a deficient number, since it is larger than the sum of its proper divisors (1229871).

170932609 is a wasteful number, since it uses less digits than its factorization.

170932609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229870.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 170932609 is about 13074.1198174103. The cubic root of 170932609 is about 554.9769857621.

The spelling of 170932609 in words is "one hundred seventy million, nine hundred thirty-two thousand, six hundred nine".