195819036 has 48 divisors (see below), whose sum is σ = 522902016. Its totient is φ = 55871424.

The previous prime is 195819031. The next prime is 195819037. The reversal of 195819036 is 630918591.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195819031) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 92785 + ... + 94871.

It is an arithmetic number, because the mean of its divisors is an integer number (10893792).

Almost surely, 2^195819036 is an apocalyptic number.

It is an amenable number.

195819036 is an abundant number, since it is smaller than the sum of its proper divisors (327082980).

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

195819036 is a wasteful number, since it uses less digits than its factorization.

195819036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 3216 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 195819036 is about 13993.5355075120. The cubic root of 195819036 is about 580.6997460127.

The spelling of 195819036 in words is "one hundred ninety-five million, eight hundred nineteen thousand, thirty-six".