491192 has 16 divisors (see below), whose sum is σ = 992040. Its totient is φ = 226656.

The previous prime is 491171. The next prime is 491201. The reversal of 491192 is 291194.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2258 + ... + 2465.

2⁴⁹¹¹⁹² is an apocalyptic number.

It is an amenable number.

491192 is an abundant number, since it is smaller than the sum of its proper divisors (500848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

491192 is a wasteful number, since it uses less digits than its factorization.

491192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742 (or 4738 counting only the distinct ones).

The product of its digits is 648, while the sum is 26.

The square root of 491192 is about 700.8509113927. The cubic root of 491192 is about 78.9012278377.

The spelling of 491192 in words is "four hundred ninety-one thousand, one hundred ninety-two".