195949934 has 16 divisors (see below), whose sum is σ = 299474880. Its totient is φ = 96132960.

The previous prime is 195949933. The next prime is 195949967. The reversal of 195949934 is 439949591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195949933) 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 7 ways as a sum of consecutive naturals, for example, 54752 + ... + 58220.

It is an arithmetic number, because the mean of its divisors is an integer number (18717180).

Almost surely, 2^195949934 is an apocalyptic number.

195949934 is a deficient number, since it is larger than the sum of its proper divisors (103524946).

195949934 is a wasteful number, since it uses less digits than its factorization.

195949934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its digits is 1574640, while the sum is 53.

The square root of 195949934 is about 13998.2118143711. The cubic root of 195949934 is about 580.8291095073.

The spelling of 195949934 in words is "one hundred ninety-five million, nine hundred forty-nine thousand, nine hundred thirty-four".