491367 has 4 divisors (see below), whose sum is σ = 655160. Its totient is φ = 327576.

The previous prime is 491357. The next prime is 491371. The reversal of 491367 is 763194.

It is a happy number.

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

It is not a de Polignac number, because 491367 - 2¹⁴ = 474983 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491327) 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, 81892 + ... + 81897.

It is an arithmetic number, because the mean of its divisors is an integer number (163790).

2⁴⁹¹³⁶⁷ is an apocalyptic number.

491367 is a deficient number, since it is larger than the sum of its proper divisors (163793).

491367 is a wasteful number, since it uses less digits than its factorization.

491367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163792.

The product of its digits is 4536, while the sum is 30.

The square root of 491367 is about 700.9757485106. The cubic root of 491367 is about 78.9105969340.

It can be divided in two parts, 491 and 367, that added together give a palindrome (858).

The spelling of 491367 in words is "four hundred ninety-one thousand, three hundred sixty-seven".