198840076 has 24 divisors (see below), whose sum is σ = 360227840. Its totient is φ = 95936400.

The previous prime is 198840071. The next prime is 198840091. The reversal of 198840076 is 670048891.

198840076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198840071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44881 + ... + 49111.

Almost surely, 2^198840076 is an apocalyptic number.

It is an amenable number.

198840076 is a deficient number, since it is larger than the sum of its proper divisors (161387764).

198840076 is a wasteful number, since it uses less digits than its factorization.

198840076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 198840076 is about 14101.0664844897. The cubic root of 198840076 is about 583.6708088770.

The spelling of 198840076 in words is "one hundred ninety-eight million, eight hundred forty thousand, seventy-six".