198448312 has 16 divisors (see below), whose sum is σ = 391674600. Its totient is φ = 94001760.

The previous prime is 198448249. The next prime is 198448321. The reversal of 198448312 is 213844891.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 652639 + ... + 652942.

Almost surely, 2^198448312 is an apocalyptic number.

It is an amenable number.

198448312 is a deficient number, since it is larger than the sum of its proper divisors (193226288).

198448312 is a wasteful number, since it uses less digits than its factorization.

198448312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305606 (or 1305602 counting only the distinct ones).

The product of its digits is 55296, while the sum is 40.

The square root of 198448312 is about 14087.1683456967. The cubic root of 198448312 is about 583.2872316945.

The spelling of 198448312 in words is "one hundred ninety-eight million, four hundred forty-eight thousand, three hundred twelve".