170340028 has 12 divisors (see below), whose sum is σ = 305027800. Its totient is φ = 83189232.

The previous prime is 170340019. The next prime is 170340029. The reversal of 170340028 is 820043071.

It is a junction number, because it is equal to n+sod(n) for n = 170339984 and 170340011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170340029) 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, 495003 + ... + 495346.

Almost surely, 2^170340028 is an apocalyptic number.

It is an amenable number.

170340028 is a deficient number, since it is larger than the sum of its proper divisors (134687772).

170340028 is a wasteful number, since it uses less digits than its factorization.

170340028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990396 (or 990394 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 170340028 is about 13051.4377752032. The cubic root of 170340028 is about 554.3349206654.

Adding to 170340028 its reverse (820043071), we get a palindrome (990383099).

The spelling of 170340028 in words is "one hundred seventy million, three hundred forty thousand, twenty-eight".