491822248 has 16 divisors (see below), whose sum is σ = 962261280. Its totient is φ = 235219248.

The previous prime is 491822231. The next prime is 491822249. The reversal of 491822248 is 842228194.

It is a self number, because there is not a number n which added to its sum of digits gives 491822248.

It is not an unprimeable number, because it can be changed into a prime (491822249) 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, 1336290 + ... + 1336657.

It is an arithmetic number, because the mean of its divisors is an integer number (60141330).

Almost surely, 2^491822248 is an apocalyptic number.

It is an amenable number.

491822248 is a deficient number, since it is larger than the sum of its proper divisors (470439032).

491822248 is a wasteful number, since it uses less digits than its factorization.

491822248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672976 (or 2672972 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 491822248 is about 22177.0658113286. The cubic root of 491822248 is about 789.3495944562.

The spelling of 491822248 in words is "four hundred ninety-one million, eight hundred twenty-two thousand, two hundred forty-eight".