198248544 has 72 divisors (see below), whose sum is σ = 607147632. Its totient is φ = 60998400.

The previous prime is 198248537. The next prime is 198248549. The reversal of 198248544 is 445842891.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 198248544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198248549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22732 + ... + 30219.

It is an arithmetic number, because the mean of its divisors is an integer number (8432606).

Almost surely, 2^198248544 is an apocalyptic number.

It is an amenable number.

198248544 is an abundant number, since it is smaller than the sum of its proper divisors (408899088).

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

198248544 is a wasteful number, since it uses less digits than its factorization.

198248544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52980 (or 52969 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 198248544 is about 14080.0761361578. The cubic root of 198248544 is about 583.0914439460.

The spelling of 198248544 in words is "one hundred ninety-eight million, two hundred forty-eight thousand, five hundred forty-four".