491382300 has 72 divisors (see below), whose sum is σ = 1427252400. Its totient is φ = 130526720.

The previous prime is 491382299. The next prime is 491382317. The reversal of 491382300 is 3283194.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77656 + ... + 83744.

It is an arithmetic number, because the mean of its divisors is an integer number (19822950).

Almost surely, 2^491382300 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 491382300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713626200).

491382300 is an abundant number, since it is smaller than the sum of its proper divisors (935870100).

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

491382300 is a wasteful number, since it uses less digits than its factorization.

491382300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375 (or 6368 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 491382300 is about 22167.1446063763. The cubic root of 491382300 is about 789.1141595495.

The spelling of 491382300 in words is "four hundred ninety-one million, three hundred eighty-two thousand, three hundred".