198040352 has 12 divisors (see below), whose sum is σ = 389892006. Its totient is φ = 99020160.

The previous prime is 198040351. The next prime is 198040387. The reversal of 198040352 is 253040891.

It can be written as a sum of positive squares in only one way, i.e., 173080336 + 24960016 = 13156^2 + 4996^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 6188761 = 198040352 / (1 + 9 + 8 + 0 + 4 + 0 + 3 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (198040351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3094349 + ... + 3094412.

Almost surely, 2^198040352 is an apocalyptic number.

It is an amenable number.

198040352 is a deficient number, since it is larger than the sum of its proper divisors (191851654).

198040352 is an equidigital number, since it uses as much as digits as its factorization.

198040352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6188771 (or 6188763 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 198040352 is about 14072.6810523084. The cubic root of 198040352 is about 582.8872600281.

The spelling of 198040352 in words is "one hundred ninety-eight million, forty thousand, three hundred fifty-two".