491194996 has 24 divisors (see below), whose sum is σ = 871486560. Its totient is φ = 242209632.

The previous prime is 491194993. The next prime is 491195021. The reversal of 491194996 is 699491194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491194993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273670 + ... + 275458.

It is an arithmetic number, because the mean of its divisors is an integer number (36311940).

Almost surely, 2^491194996 is an apocalyptic number.

It is an amenable number.

491194996 is a deficient number, since it is larger than the sum of its proper divisors (380291564).

491194996 is a wasteful number, since it uses less digits than its factorization.

491194996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2701 counting only the distinct ones).

The product of its digits is 629856, while the sum is 52.

The square root of 491194996 is about 22162.9193925349. The cubic root of 491194996 is about 789.0138825538.

The spelling of 491194996 in words is "four hundred ninety-one million, one hundred ninety-four thousand, nine hundred ninety-six".