197182986 has 64 divisors (see below), whose sum is σ = 529514496. Its totient is φ = 47275200.

The previous prime is 197182961. The next prime is 197182991. The reversal of 197182986 is 689281791.

197182986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197182986² = 77762259935752392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10410 + ... + 22421.

It is an arithmetic number, because the mean of its divisors is an integer number (8273664).

Almost surely, 2^197182986 is an apocalyptic number.

197182986 is an abundant number, since it is smaller than the sum of its proper divisors (332331510).

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

197182986 is a wasteful number, since it uses less digits than its factorization.

197182986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32867.

The product of its digits is 435456, while the sum is 51.

The square root of 197182986 is about 14042.1859409424. The cubic root of 197182986 is about 582.0448885442.

The spelling of 197182986 in words is "one hundred ninety-seven million, one hundred eighty-two thousand, nine hundred eighty-six".