205050398 has 12 divisors (see below), whose sum is σ = 357792192. Its totient is φ = 87878700.

The previous prime is 205050397. The next prime is 205050403. The reversal of 205050398 is 893050502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205050397) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1046078 + ... + 1046273.

It is an arithmetic number, because the mean of its divisors is an integer number (29816016).

Almost surely, 2^205050398 is an apocalyptic number.

205050398 is a deficient number, since it is larger than the sum of its proper divisors (152741794).

205050398 is a wasteful number, since it uses less digits than its factorization.

205050398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092367 (or 2092360 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 205050398 is about 14319.5809296222. The cubic root of 205050398 is about 589.6851695796.

The spelling of 205050398 in words is "two hundred five million, fifty thousand, three hundred ninety-eight".