198724552 has 16 divisors (see below), whose sum is σ = 401270940. Its totient is φ = 91718976.

The previous prime is 198724541. The next prime is 198724609. The reversal of 198724552 is 255427891.

198724552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 191933316 + 6791236 = 13854^2 + 2606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 198724499 and 198724508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955303 + ... + 955510.

Almost surely, 2^198724552 is an apocalyptic number.

It is an amenable number.

198724552 is an abundant number, since it is smaller than the sum of its proper divisors (202546388).

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

198724552 is a wasteful number, since it uses less digits than its factorization.

198724552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910832 (or 1910828 counting only the distinct ones).

The product of its digits is 201600, while the sum is 43.

The square root of 198724552 is about 14096.9696034290. The cubic root of 198724552 is about 583.5577514384.

The spelling of 198724552 in words is "one hundred ninety-eight million, seven hundred twenty-four thousand, five hundred fifty-two".