170044397 has 2 divisors, whose sum is σ = 170044398. Its totient is φ = 170044396.

The previous prime is 170044367. The next prime is 170044411. The reversal of 170044397 is 793440071.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159617956 + 10426441 = 12634^2 + 3229^2 .

It is a cyclic number.

It is not a de Polignac number, because 170044397 - 2⁶ = 170044333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170044337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85022198 + 85022199.

It is an arithmetic number, because the mean of its divisors is an integer number (85022199).

Almost surely, 2^170044397 is an apocalyptic number.

It is an amenable number.

170044397 is a deficient number, since it is larger than the sum of its proper divisors (1).

170044397 is an equidigital number, since it uses as much as digits as its factorization.

170044397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 170044397 is about 13040.1072464915. The cubic root of 170044397 is about 554.0140458324.

The spelling of 170044397 in words is "one hundred seventy million, forty-four thousand, three hundred ninety-seven".