195185838 has 8 divisors (see below), whose sum is σ = 390371688. Its totient is φ = 65061944.

The previous prime is 195185831. The next prime is 195185839. The reversal of 195185838 is 838581591.

195185838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

195185838 is an admirable number.

It is a super-2 number, since 2×195185838² = 76195022711524488, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195185831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16265481 + ... + 16265492.

It is an arithmetic number, because the mean of its divisors is an integer number (48796461).

Almost surely, 2^195185838 is an apocalyptic number.

195185838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

195185838 is a wasteful number, since it uses less digits than its factorization.

195185838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32530978.

The product of its digits is 345600, while the sum is 48.

The square root of 195185838 is about 13970.8925269648. The cubic root of 195185838 is about 580.0731556555.

The spelling of 195185838 in words is "one hundred ninety-five million, one hundred eighty-five thousand, eight hundred thirty-eight".