491097296 has 10 divisors (see below), whose sum is σ = 951501042. Its totient is φ = 245548640.

The previous prime is 491097293. The next prime is 491097331. The reversal of 491097296 is 692790194.

It can be written as a sum of positive squares in only one way, i.e., 444366400 + 46730896 = 21080^2 + 6836^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 491097296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (491097293) 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 as a sum of consecutive naturals, namely, 15346775 + ... + 15346806.

Almost surely, 2^491097296 is an apocalyptic number.

It is an amenable number.

491097296 is a deficient number, since it is larger than the sum of its proper divisors (460403746).

491097296 is a wasteful number, since it uses less digits than its factorization.

491097296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30693589 (or 30693583 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 491097296 is about 22160.7151509151. The cubic root of 491097296 is about 788.9615667604.

The spelling of 491097296 in words is "four hundred ninety-one million, ninety-seven thousand, two hundred ninety-six".