1198886982 has 8 divisors (see below), whose sum is σ = 2397773976. Its totient is φ = 399628992.

The previous prime is 1198886981. The next prime is 1198886989. The reversal of 1198886982 is 2896888911.

It is a sphenic number, since it is the product of 3 distinct primes.

1198886982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198886981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99907243 + ... + 99907254.

It is an arithmetic number, because the mean of its divisors is an integer number (299721747).

Almost surely, 2^1198886982 is an apocalyptic number.

1198886982 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.

1198886982 is a wasteful number, since it uses less digits than its factorization.

1198886982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199814502.

The product of its digits is 3981312, while the sum is 60.

The square root of 1198886982 is about 34624.9473934618. The cubic root of 1198886982 is about 1062.3299236328.

The spelling of 1198886982 in words is "one billion, one hundred ninety-eight million, eight hundred eighty-six thousand, nine hundred eighty-two".