198724364 has 6 divisors (see below), whose sum is σ = 347767644. Its totient is φ = 99362180.

The previous prime is 198724343. The next prime is 198724369. The reversal of 198724364 is 463427891.

It is not an unprimeable number, because it can be changed into a prime (198724369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24840542 + ... + 24840549.

It is an arithmetic number, because the mean of its divisors is an integer number (57961274).

Almost surely, 2^198724364 is an apocalyptic number.

It is an amenable number.

198724364 is a deficient number, since it is larger than the sum of its proper divisors (149043280).

198724364 is a wasteful number, since it uses less digits than its factorization.

198724364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49681095 (or 49681093 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 198724364 is about 14096.9629353276. The cubic root of 198724364 is about 583.5575674167.

The spelling of 198724364 in words is "one hundred ninety-eight million, seven hundred twenty-four thousand, three hundred sixty-four".