1196491808 has 24 divisors (see below), whose sum is σ = 2360776572. Its totient is φ = 596929536.

The previous prime is 1196491789. The next prime is 1196491817. The reversal of 1196491808 is 8081946911.

It can be written as a sum of positive squares in 2 ways, for example, as 1184185744 + 12306064 = 34412^2 + 3508^2 .

It is a super-2 number, since 2×1196491808² = 2863185293222217728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26285 + ... + 55532.

Almost surely, 2^1196491808 is an apocalyptic number.

It is an amenable number.

1196491808 is a deficient number, since it is larger than the sum of its proper divisors (1164284764).

1196491808 is an equidigital number, since it uses as much as digits as its factorization.

1196491808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82284 (or 82276 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 47.

The square root of 1196491808 is about 34590.3426985047. The cubic root of 1196491808 is about 1061.6219999768.

The spelling of 1196491808 in words is "one billion, one hundred ninety-six million, four hundred ninety-one thousand, eight hundred eight".