491234744 has 64 divisors (see below), whose sum is σ = 1236695040. Its totient is φ = 176664960.

The previous prime is 491234743. The next prime is 491234747. The reversal of 491234744 is 447432194.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 491234698 and 491234707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491234743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22664 + ... + 38679.

It is an arithmetic number, because the mean of its divisors is an integer number (19323360).

Almost surely, 2^491234744 is an apocalyptic number.

491234744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

491234744 is an abundant number, since it is smaller than the sum of its proper divisors (745460296).

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

491234744 is a wasteful number, since it uses less digits than its factorization.

491234744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61380 (or 61376 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The square root of 491234744 is about 22163.8160974143. The cubic root of 491234744 is about 789.0351645824.

The spelling of 491234744 in words is "four hundred ninety-one million, two hundred thirty-four thousand, seven hundred forty-four".