195863712 has 48 divisors (see below), whose sum is σ = 560885472. Its totient is φ = 59352320.

The previous prime is 195863693. The next prime is 195863719. The reversal of 195863712 is 217368591.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (195863719) 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, 91683 + ... + 93794.

It is an arithmetic number, because the mean of its divisors is an integer number (11685114).

Almost surely, 2^195863712 is an apocalyptic number.

195863712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195863712 is an abundant number, since it is smaller than the sum of its proper divisors (365021760).

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

195863712 is a wasteful number, since it uses less digits than its factorization.

195863712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185501 (or 185493 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 195863712 is about 13995.1317249964. The cubic root of 195863712 is about 580.7439047585.

The spelling of 195863712 in words is "one hundred ninety-five million, eight hundred sixty-three thousand, seven hundred twelve".