491592 has 16 divisors (see below), whose sum is σ = 1229040. Its totient is φ = 163856.

The previous prime is 491591. The next prime is 491593. The reversal of 491592 is 295194.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (491591) and next prime (491593).

It is not an unprimeable number, because it can be changed into a prime (491591) 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, 10218 + ... + 10265.

It is an arithmetic number, because the mean of its divisors is an integer number (76815).

2⁴⁹¹⁵⁹² is an apocalyptic number.

It is an amenable number.

491592 is an abundant number, since it is smaller than the sum of its proper divisors (737448).

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

491592 is a wasteful number, since it uses less digits than its factorization.

491592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20492 (or 20488 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 491592 is about 701.1362207161. The cubic root of 491592 is about 78.9226396468.

The spelling of 491592 in words is "four hundred ninety-one thousand, five hundred ninety-two".