491241 has 8 divisors (see below), whose sum is σ = 658240. Its totient is φ = 325872.

The previous prime is 491219. The next prime is 491251. The reversal of 491241 is 142194.

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

It is not a de Polignac number, because 491241 - 2¹⁴ = 474857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (491201) 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, 900 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (82280).

2⁴⁹¹²⁴¹ is an apocalyptic number.

It is an amenable number.

491241 is a deficient number, since it is larger than the sum of its proper divisors (166999).

491241 is a wasteful number, since it uses less digits than its factorization.

491241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815.

The product of its digits is 288, while the sum is 21.

The square root of 491241 is about 700.8858680270. The cubic root of 491241 is about 78.9038514090.

The spelling of 491241 in words is "four hundred ninety-one thousand, two hundred forty-one".