198833925 has 12 divisors (see below), whose sum is σ = 328738880. Its totient is φ = 106044720.

The previous prime is 198833909. The next prime is 198833939. The reversal of 198833925 is 529338891.

It is a happy number.

It is not a de Polignac number, because 198833925 - 2⁴ = 198833909 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 1325485 + ... + 1325634.

Almost surely, 2^198833925 is an apocalyptic number.

198833925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

198833925 is a deficient number, since it is larger than the sum of its proper divisors (129904955).

198833925 is a wasteful number, since it uses less digits than its factorization.

198833925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651132 (or 2651127 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 198833925 is about 14100.8483787324. The cubic root of 198833925 is about 583.6647903113.

The spelling of 198833925 in words is "one hundred ninety-eight million, eight hundred thirty-three thousand, nine hundred twenty-five".