195843641 has 24 divisors (see below), whose sum is σ = 236992320. Its totient is φ = 161173152.

The previous prime is 195843601. The next prime is 195843653. The reversal of 195843641 is 146348591.

It is not a de Polignac number, because 195843641 - 2¹⁰ = 195842617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195843601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401900 + ... + 402386.

It is an arithmetic number, because the mean of its divisors is an integer number (9874680).

Almost surely, 2^195843641 is an apocalyptic number.

It is an amenable number.

195843641 is a deficient number, since it is larger than the sum of its proper divisors (41148679).

195843641 is a wasteful number, since it uses less digits than its factorization.

195843641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 806 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 195843641 is about 13994.4146358467. The cubic root of 195843641 is about 580.7240669693.

The spelling of 195843641 in words is "one hundred ninety-five million, eight hundred forty-three thousand, six hundred forty-one".