491334432 has 24 divisors (see below), whose sum is σ = 1289753136. Its totient is φ = 163778112.

The previous prime is 491334427. The next prime is 491334439. The reversal of 491334432 is 234433194.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 491334393 and 491334402.

It is not an unprimeable number, because it can be changed into a prime (491334439) 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, 2558938 + ... + 2559129.

It is an arithmetic number, because the mean of its divisors is an integer number (53739714).

Almost surely, 2^491334432 is an apocalyptic number.

It is an amenable number.

491334432 is an abundant number, since it is smaller than the sum of its proper divisors (798418704).

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

491334432 is a wasteful number, since it uses less digits than its factorization.

491334432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118080 (or 5118072 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 491334432 is about 22166.0648740366. The cubic root of 491334432 is about 789.0885348691.

The spelling of 491334432 in words is "four hundred ninety-one million, three hundred thirty-four thousand, four hundred thirty-two".