170488442 has 4 divisors (see below), whose sum is σ = 255732666. Its totient is φ = 85244220.

The previous prime is 170488441. The next prime is 170488469. The reversal of 170488442 is 244884071.

It is a happy number.

170488442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 158785201 + 11703241 = 12601^2 + 3421^2 .

It is a junction number, because it is equal to n+sod(n) for n = 170488396 and 170488405.

It is not an unprimeable number, because it can be changed into a prime (170488441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42622109 + ... + 42622112.

Almost surely, 2^170488442 is an apocalyptic number.

170488442 is a deficient number, since it is larger than the sum of its proper divisors (85244224).

170488442 is an equidigital number, since it uses as much as digits as its factorization.

170488442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85244223.

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 170488442 is about 13057.1222710060. The cubic root of 170488442 is about 554.4958677266.

The spelling of 170488442 in words is "one hundred seventy million, four hundred eighty-eight thousand, four hundred forty-two".