195811962 has 16 divisors (see below), whose sum is σ = 392236992. Its totient is φ = 65168480.

The previous prime is 195811943. The next prime is 195811969. The reversal of 195811962 is 269118591.

It is not an unprimeable number, because it can be changed into a prime (195811969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21339 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (24514812).

Almost surely, 2^195811962 is an apocalyptic number.

195811962 is an abundant number, since it is smaller than the sum of its proper divisors (196425030).

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

195811962 is a wasteful number, since it uses less digits than its factorization.

195811962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51093.

The product of its digits is 38880, while the sum is 42.

The square root of 195811962 is about 13993.2827456605. The cubic root of 195811962 is about 580.6927532988.

The spelling of 195811962 in words is "one hundred ninety-five million, eight hundred eleven thousand, nine hundred sixty-two".