198045036 has 72 divisors (see below), whose sum is σ = 605797920. Its totient is φ = 53254656.

The previous prime is 198045013. The next prime is 198045041. The reversal of 198045036 is 630540891.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18831 + ... + 27398.

It is an arithmetic number, because the mean of its divisors is an integer number (8413860).

Almost surely, 2^198045036 is an apocalyptic number.

It is an amenable number.

198045036 is an abundant number, since it is smaller than the sum of its proper divisors (407752884).

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

198045036 is a wasteful number, since it uses less digits than its factorization.

198045036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46263 (or 46258 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 198045036 is about 14072.8474730596. The cubic root of 198045036 is about 582.8918554256.

The spelling of 198045036 in words is "one hundred ninety-eight million, forty-five thousand, thirty-six".