491954596 has 12 divisors (see below), whose sum is σ = 983909248. Its totient is φ = 210837672.

The previous prime is 491954581. The next prime is 491954597. The reversal of 491954596 is 695459194.

It is a happy number.

491954596 is an admirable number.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (491954597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8784876 + ... + 8784931.

Almost surely, 2^491954596 is an apocalyptic number.

It is an amenable number.

491954596 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

491954596 is a wasteful number, since it uses less digits than its factorization.

491954596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17569818 (or 17569816 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 52.

The square root of 491954596 is about 22180.0495040025. The cubic root of 491954596 is about 789.4203920334.

The spelling of 491954596 in words is "four hundred ninety-one million, nine hundred fifty-four thousand, five hundred ninety-six".