170493982 has 16 divisors (see below), whose sum is σ = 260006400. Its totient is φ = 83832192.

The previous prime is 170493977. The next prime is 170493989. The reversal of 170493982 is 289394071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170493989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54394 + ... + 57442.

It is an arithmetic number, because the mean of its divisors is an integer number (16250400).

Almost surely, 2^170493982 is an apocalyptic number.

170493982 is a deficient number, since it is larger than the sum of its proper divisors (89512418).

170493982 is a wasteful number, since it uses less digits than its factorization.

170493982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 170493982 is about 13057.3344140372. The cubic root of 170493982 is about 554.5018737522.

The spelling of 170493982 in words is "one hundred seventy million, four hundred ninety-three thousand, nine hundred eighty-two".