195908894 has 8 divisors (see below), whose sum is σ = 306640080. Its totient is φ = 93695536.

The previous prime is 195908893. The next prime is 195908939. The reversal of 195908894 is 498809591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195908893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2129399 + ... + 2129490.

It is an arithmetic number, because the mean of its divisors is an integer number (38330010).

Almost surely, 2^195908894 is an apocalyptic number.

195908894 is a deficient number, since it is larger than the sum of its proper divisors (110731186).

195908894 is a wasteful number, since it uses less digits than its factorization.

195908894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258914.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 195908894 is about 13996.7458360863. The cubic root of 195908894 is about 580.7885568169.

The spelling of 195908894 in words is "one hundred ninety-five million, nine hundred eight thousand, eight hundred ninety-four".