491853312 has 60 divisors (see below), whose sum is σ = 1419535260. Its totient is φ = 163949568.

The previous prime is 491853293. The next prime is 491853331. The reversal of 491853312 is 213358194.

It is an interprime number because it is at equal distance from previous prime (491853293) and next prime (491853331).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48762 + ... + 57977.

It is an arithmetic number, because the mean of its divisors is an integer number (23658921).

Almost surely, 2^491853312 is an apocalyptic number.

It is an amenable number.

491853312 is an abundant number, since it is smaller than the sum of its proper divisors (927681948).

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

491853312 is a wasteful number, since it uses less digits than its factorization.

491853312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106763 (or 106744 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 491853312 is about 22177.7661634349. The cubic root of 491853312 is about 789.3662128176.

The spelling of 491853312 in words is "four hundred ninety-one million, eight hundred fifty-three thousand, three hundred twelve".