198764552 has 32 divisors (see below), whose sum is σ = 429844800. Its totient is φ = 84400704.

The previous prime is 198764549. The next prime is 198764563. The reversal of 198764552 is 255467891.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 198764497 and 198764506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10178 + ... + 22385.

It is an arithmetic number, because the mean of its divisors is an integer number (13432650).

Almost surely, 2^198764552 is an apocalyptic number.

It is an amenable number.

198764552 is an abundant number, since it is smaller than the sum of its proper divisors (231080248).

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

198764552 is a wasteful number, since it uses less digits than its factorization.

198764552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32685 (or 32681 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The square root of 198764552 is about 14098.3882766790. The cubic root of 198764552 is about 583.5969023533.

The spelling of 198764552 in words is "one hundred ninety-eight million, seven hundred sixty-four thousand, five hundred fifty-two".