198957246 has 16 divisors (see below), whose sum is σ = 418857600. Its totient is φ = 62828568.

The previous prime is 198957229. The next prime is 198957293. The reversal of 198957246 is 642759891.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872506 + ... + 872733.

It is an arithmetic number, because the mean of its divisors is an integer number (26178600).

Almost surely, 2^198957246 is an apocalyptic number.

198957246 is an abundant number, since it is smaller than the sum of its proper divisors (219900354).

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

198957246 is a wasteful number, since it uses less digits than its factorization.

198957246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745263.

The product of its digits is 1088640, while the sum is 51.

The square root of 198957246 is about 14105.2205229128. The cubic root of 198957246 is about 583.7854324501.

The spelling of 198957246 in words is "one hundred ninety-eight million, nine hundred fifty-seven thousand, two hundred forty-six".