198962245 has 8 divisors (see below), whose sum is σ = 238913784. Its totient is φ = 159063744.

The previous prime is 198962221. The next prime is 198962251. The reversal of 198962245 is 542269891.

It can be written as a sum of positive squares in 4 ways, for example, as 12967201 + 185995044 = 3601^2 + 13638^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 198962245 - 2⁷ = 198962117 is a prime.

It is a super-3 number, since 3×198962245³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198962195 and 198962204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4474 + ... + 20443.

It is an arithmetic number, because the mean of its divisors is an integer number (29864223).

Almost surely, 2^198962245 is an apocalyptic number.

It is an amenable number.

198962245 is a deficient number, since it is larger than the sum of its proper divisors (39951539).

198962245 is a wasteful number, since it uses less digits than its factorization.

198962245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26519.

The product of its digits is 311040, while the sum is 46.

The square root of 198962245 is about 14105.3977256935. The cubic root of 198962245 is about 583.7903218070.

The spelling of 198962245 in words is "one hundred ninety-eight million, nine hundred sixty-two thousand, two hundred forty-five".