491595432 has 32 divisors (see below), whose sum is σ = 1245828480. Its totient is φ = 161619840.

The previous prime is 491595407. The next prime is 491595439. The reversal of 491595432 is 234595194.

It is not an unprimeable number, because it can be changed into a prime (491595439) 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, 138544 + ... + 142047.

It is an arithmetic number, because the mean of its divisors is an integer number (38932140).

Almost surely, 2^491595432 is an apocalyptic number.

It is an amenable number.

491595432 is an abundant number, since it is smaller than the sum of its proper divisors (754233048).

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

491595432 is a wasteful number, since it uses less digits than its factorization.

491595432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280673 (or 280669 counting only the distinct ones).

The product of its digits is 194400, while the sum is 42.

The square root of 491595432 is about 22171.9514702698. The cubic root of 491595432 is about 789.2282330986.

The spelling of 491595432 in words is "four hundred ninety-one million, five hundred ninety-five thousand, four hundred thirty-two".