491832428 has 12 divisors (see below), whose sum is σ = 869229312. Its totient is φ = 243481200.

The previous prime is 491832427. The next prime is 491832479. The reversal of 491832428 is 824238194.

It is not an unprimeable number, because it can be changed into a prime (491832427) by changing a digit.

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, 608300 + ... + 609107.

It is an arithmetic number, because the mean of its divisors is an integer number (72435776).

Almost surely, 2^491832428 is an apocalyptic number.

It is an amenable number.

491832428 is a deficient number, since it is larger than the sum of its proper divisors (377396884).

491832428 is a wasteful number, since it uses less digits than its factorization.

491832428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217512 (or 1217510 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 491832428 is about 22177.2953265271. The cubic root of 491832428 is about 789.3550405453.

The spelling of 491832428 in words is "four hundred ninety-one million, eight hundred thirty-two thousand, four hundred twenty-eight".