491246316 has 96 divisors (see below), whose sum is σ = 1394265600. Its totient is φ = 148340160.

The previous prime is 491246293. The next prime is 491246317. The reversal of 491246316 is 613642194.

491246316 is a `hidden beast` number, since 4 + 9 + 12 + 4 + 631 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (491246317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 461601 + ... + 462663.

It is an arithmetic number, because the mean of its divisors is an integer number (14523600).

Almost surely, 2^491246316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 491246316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697132800).

491246316 is an abundant number, since it is smaller than the sum of its proper divisors (903019284).

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

491246316 is a wasteful number, since it uses less digits than its factorization.

491246316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1468 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 491246316 is about 22164.0771520043. The cubic root of 491246316 is about 789.0413602919.

The spelling of 491246316 in words is "four hundred ninety-one million, two hundred forty-six thousand, three hundred sixteen".