195550938 has 24 divisors (see below), whose sum is σ = 462211776. Its totient is φ = 59257800.

The previous prime is 195550931. The next prime is 195550939. The reversal of 195550938 is 839055591.

195550938 is a `hidden beast` number, since 1 + 9 + 5 + 550 + 93 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 195550893 and 195550902.

It is not an unprimeable number, because it can be changed into a prime (195550931) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 493618 + ... + 494013.

It is an arithmetic number, because the mean of its divisors is an integer number (19258824).

Almost surely, 2^195550938 is an apocalyptic number.

195550938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

195550938 is an abundant number, since it is smaller than the sum of its proper divisors (266660838).

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

195550938 is a wasteful number, since it uses less digits than its factorization.

195550938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987650 (or 987647 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 45.

The square root of 195550938 is about 13983.9528746346. The cubic root of 195550938 is about 580.4346108356.

The spelling of 195550938 in words is "one hundred ninety-five million, five hundred fifty thousand, nine hundred thirty-eight".