491337 has 24 divisors (see below), whose sum is σ = 886080. Its totient is φ = 254880.

The previous prime is 491333. The next prime is 491339. The reversal of 491337 is 733194.

It is not a de Polignac number, because 491337 - 2² = 491333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 491337.

It is not an unprimeable number, because it can be changed into a prime (491333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 339 + ... + 1047.

It is an arithmetic number, because the mean of its divisors is an integer number (36920).

2⁴⁹¹³³⁷ is an apocalyptic number.

It is an amenable number.

491337 is a deficient number, since it is larger than the sum of its proper divisors (394743).

491337 is a wasteful number, since it uses less digits than its factorization.

491337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733 (or 730 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 491337 is about 700.9543494408. The cubic root of 491337 is about 78.9089909612.

It can be divided in two parts, 4913 and 37, that added together give a triangular number (4950 = T₉₉).

The spelling of 491337 in words is "four hundred ninety-one thousand, three hundred thirty-seven".