195857841 has 16 divisors (see below), whose sum is σ = 264600000. Its totient is φ = 128851968.

The previous prime is 195857801. The next prime is 195857863. The reversal of 195857841 is 148758591.

It is a happy number.

It is not a de Polignac number, because 195857841 - 2⁶ = 195857777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195857801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129910 + ... + 131408.

It is an arithmetic number, because the mean of its divisors is an integer number (16537500).

Almost surely, 2^195857841 is an apocalyptic number.

It is an amenable number.

195857841 is a deficient number, since it is larger than the sum of its proper divisors (68742159).

195857841 is a wasteful number, since it uses less digits than its factorization.

195857841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048.

The product of its digits is 403200, while the sum is 48.

The square root of 195857841 is about 13994.9219719154. The cubic root of 195857841 is about 580.7381021156.

The spelling of 195857841 in words is "one hundred ninety-five million, eight hundred fifty-seven thousand, eight hundred forty-one".