195883965 has 12 divisors (see below), whose sum is σ = 339532284. Its totient is φ = 104471424.

The previous prime is 195883903. The next prime is 195883967. The reversal of 195883965 is 569388591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64689849 + 131194116 = 8043^2 + 11454^2 .

It is not a de Polignac number, because 195883965 - 2¹⁰ = 195882941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195883967) 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, 2176444 + ... + 2176533.

It is an arithmetic number, because the mean of its divisors is an integer number (28294357).

Almost surely, 2^195883965 is an apocalyptic number.

195883965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195883965 is a deficient number, since it is larger than the sum of its proper divisors (143648319).

195883965 is a wasteful number, since it uses less digits than its factorization.

195883965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352988 (or 4352985 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 195883965 is about 13995.8552793318. The cubic root of 195883965 is about 580.7639210593.

The spelling of 195883965 in words is "one hundred ninety-five million, eight hundred eighty-three thousand, nine hundred sixty-five".