1198886983 has 18 divisors (see below), whose sum is σ = 1434840344. Its totient is φ = 981210912.

The previous prime is 1198886981. The next prime is 1198886989. The reversal of 1198886983 is 3896888911.

It is not a de Polignac number, because 1198886983 - 2¹ = 1198886981 is a prime.

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 17 ways as a sum of consecutive naturals, for example, 2106723 + ... + 2107291.

Almost surely, 2^1198886983 is an apocalyptic number.

1198886983 is a deficient number, since it is larger than the sum of its proper divisors (235953361).

1198886983 is an frugal number, since it uses more digits than its factorization.

1198886983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 599 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 61.

The square root of 1198886983 is about 34624.9474079023. The cubic root of 1198886983 is about 1062.3299239282.

The spelling of 1198886983 in words is "one billion, one hundred ninety-eight million, eight hundred eighty-six thousand, nine hundred eighty-three".