491170 has 8 divisors (see below), whose sum is σ = 884124. Its totient is φ = 196464.

The previous prime is 491167. The next prime is 491171. The reversal of 491170 is 71194.

It can be written as a sum of positive squares in 2 ways, for example, as 477481 + 13689 = 691^2 + 117^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (491171) 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, 24549 + ... + 24568.

2⁴⁹¹¹⁷⁰ is an apocalyptic number.

491170 is a deficient number, since it is larger than the sum of its proper divisors (392954).

491170 is a wasteful number, since it uses less digits than its factorization.

491170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49124.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 491170 is about 700.8352160102. The cubic root of 491170 is about 78.9000498510.

The spelling of 491170 in words is "four hundred ninety-one thousand, one hundred seventy".