491324532 has 24 divisors (see below), whose sum is σ = 1146806976. Its totient is φ = 163720128.

The previous prime is 491324513. The next prime is 491324567. The reversal of 491324532 is 235423194.

It is a junction number, because it is equal to n+sod(n) for n = 491324493 and 491324502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48448 + ... + 57704.

It is an arithmetic number, because the mean of its divisors is an integer number (47783624).

Almost surely, 2^491324532 is an apocalyptic number.

It is an amenable number.

491324532 is an abundant number, since it is smaller than the sum of its proper divisors (655482444).

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

491324532 is a wasteful number, since it uses less digits than its factorization.

491324532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687 (or 13685 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 491324532 is about 22165.8415585784. The cubic root of 491324532 is about 789.0832349970.

The spelling of 491324532 in words is "four hundred ninety-one million, three hundred twenty-four thousand, five hundred thirty-two".