491093824 has 56 divisors (see below), whose sum is σ = 1111242888. Its totient is φ = 213319680.

The previous prime is 491093789. The next prime is 491093833. The reversal of 491093824 is 428390194.

It can be written as a sum of positive squares in 4 ways, for example, as 70023424 + 421070400 = 8368^2 + 20520^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3217 + ... + 31504.

It is an arithmetic number, because the mean of its divisors is an integer number (19843623).

Almost surely, 2^491093824 is an apocalyptic number.

It is an amenable number.

491093824 is an abundant number, since it is smaller than the sum of its proper divisors (620149064).

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

491093824 is a wasteful number, since it uses less digits than its factorization.

491093824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34763 (or 34753 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 491093824 is about 22160.6368139546. The cubic root of 491093824 is about 788.9597074676.

The spelling of 491093824 in words is "four hundred ninety-one million, ninety-three thousand, eight hundred twenty-four".