491492 has 24 divisors (see below), whose sum is σ = 940800. Its totient is φ = 223776.

The previous prime is 491489. The next prime is 491497. The reversal of 491492 is 294194.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (491497) 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, 2093 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (39200).

2⁴⁹¹⁴⁹² is an apocalyptic number.

It is an amenable number.

491492 is a deficient number, since it is larger than the sum of its proper divisors (449308).

491492 is a wasteful number, since it uses less digits than its factorization.

491492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 273 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 491492 is about 701.0649042706. The cubic root of 491492 is about 78.9172877838.

The spelling of 491492 in words is "four hundred ninety-one thousand, four hundred ninety-two".