198980682 has 64 divisors (see below), whose sum is σ = 445098240. Its totient is φ = 58978304.

The previous prime is 198980681. The next prime is 198980689. The reversal of 198980682 is 286089891.

198980682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (198980681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208318 + ... + 209270.

It is an arithmetic number, because the mean of its divisors is an integer number (6954660).

Almost surely, 2^198980682 is an apocalyptic number.

198980682 is an abundant number, since it is smaller than the sum of its proper divisors (246117558).

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

198980682 is a wasteful number, since it uses less digits than its factorization.

198980682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 198980682 is about 14106.0512546921. The cubic root of 198980682 is about 583.8083537201.

The spelling of 198980682 in words is "one hundred ninety-eight million, nine hundred eighty thousand, six hundred eighty-two".