491996592 has 200 divisors, whose sum is σ = 1528067376. Its totient is φ = 152285184.

The previous prime is 491996591. The next prime is 491996599. The reversal of 491996592 is 295699194.

491996592 is a `hidden beast` number, since 49 + 1 + 9 + 9 + 6 + 592 = 666.

It is a super-2 number, since 2×491996592² = 484121293079228928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (491996591) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3018303 + ... + 3018465.

Almost surely, 2^491996592 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 491996592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764033688).

491996592 is an abundant number, since it is smaller than the sum of its proper divisors (1036070784).

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

491996592 is a wasteful number, since it uses less digits than its factorization.

491996592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 322 counting only the distinct ones).

The product of its digits is 1574640, while the sum is 54.

The square root of 491996592 is about 22180.9961904329. The cubic root of 491996592 is about 789.4428545098.

The spelling of 491996592 in words is "four hundred ninety-one million, nine hundred ninety-six thousand, five hundred ninety-two".