1196998986 has 16 divisors (see below), whose sum is σ = 2394922464. Its totient is φ = 398845584.

The previous prime is 1196998949. The next prime is 1196998987. The reversal of 1196998986 is 6898996911.

It is not an unprimeable number, because it can be changed into a prime (1196998987) 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 7 ways as a sum of consecutive naturals, for example, 21081 + ... + 53276.

It is an arithmetic number, because the mean of its divisors is an integer number (149682654).

Almost surely, 2^1196998986 is an apocalyptic number.

1196998986 is an abundant number, since it is smaller than the sum of its proper divisors (1197923478).

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

1196998986 is a wasteful number, since it uses less digits than its factorization.

1196998986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77045.

The product of its digits is 15116544, while the sum is 66.

The square root of 1196998986 is about 34597.6731298508. The cubic root of 1196998986 is about 1061.7719815755.

The spelling of 1196998986 in words is "one billion, one hundred ninety-six million, nine hundred ninety-eight thousand, nine hundred eighty-six".