195028768 has 96 divisors (see below), whose sum is σ = 446402880. Its totient is φ = 83635200.

The previous prime is 195028727. The next prime is 195028783. The reversal of 195028768 is 867820591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 809128 + ... + 809368.

It is an arithmetic number, because the mean of its divisors is an integer number (4650030).

Almost surely, 2^195028768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195028768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223201440).

195028768 is an abundant number, since it is smaller than the sum of its proper divisors (251374112).

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

195028768 is a wasteful number, since it uses less digits than its factorization.

195028768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 195028768 is about 13965.2700654158. The cubic root of 195028768 is about 579.9175150238.

The spelling of 195028768 in words is "one hundred ninety-five million, twenty-eight thousand, seven hundred sixty-eight".