491701 has 8 divisors (see below), whose sum is σ = 591680. Its totient is φ = 399168.

The previous prime is 491677. The next prime is 491707. The reversal of 491701 is 107194.

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

It is not a de Polignac number, because 491701 - 2⁵ = 491669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (73960).

2⁴⁹¹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

491701 is a deficient number, since it is larger than the sum of its proper divisors (99979).

491701 is a wasteful number, since it uses less digits than its factorization.

491701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723.

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

The square root of 491701 is about 701.2139473798. The cubic root of 491701 is about 78.9284723509.

Adding to 491701 its reverse (107194), we get a palindrome (598895).

The spelling of 491701 in words is "four hundred ninety-one thousand, seven hundred one".