195439896 has 24 divisors (see below), whose sum is σ = 529316580. Its totient is φ = 65146608.

The previous prime is 195439891. The next prime is 195439927. The reversal of 195439896 is 698934591.

195439896 is a `hidden beast` number, since 1 + 9 + 543 + 9 + 8 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195439891) 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, 1357150 + ... + 1357293.

Almost surely, 2^195439896 is an apocalyptic number.

It is an amenable number.

195439896 is an abundant number, since it is smaller than the sum of its proper divisors (333876684).

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

195439896 is a wasteful number, since it uses less digits than its factorization.

195439896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714455 (or 2714448 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 195439896 is about 13979.9819742373. The cubic root of 195439896 is about 580.3247250190.

The spelling of 195439896 in words is "one hundred ninety-five million, four hundred thirty-nine thousand, eight hundred ninety-six".