195895947 has 32 divisors (see below), whose sum is σ = 313528320. Its totient is φ = 107481600.

The previous prime is 195895927. The next prime is 195895963. The reversal of 195895947 is 749598591.

195895947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195895947 - 2⁶ = 195895883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (195895927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4822 + ... + 20372.

It is an arithmetic number, because the mean of its divisors is an integer number (9797760).

Almost surely, 2^195895947 is an apocalyptic number.

195895947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

195895947 is a deficient number, since it is larger than the sum of its proper divisors (117632373).

195895947 is a wasteful number, since it uses less digits than its factorization.

195895947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15603.

The product of its digits is 4082400, while the sum is 57.

The square root of 195895947 is about 13996.2833280839. The cubic root of 195895947 is about 580.7757623747.

The spelling of 195895947 in words is "one hundred ninety-five million, eight hundred ninety-five thousand, nine hundred forty-seven".