195983359 has 32 divisors (see below), whose sum is σ = 237081600. Its totient is φ = 159667200.

The previous prime is 195983273. The next prime is 195983371. The reversal of 195983359 is 953389591.

It is a happy number.

It is not a de Polignac number, because 195983359 - 2⁷ = 195983231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195983399) 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, 984742 + ... + 984940.

It is an arithmetic number, because the mean of its divisors is an integer number (7408800).

Almost surely, 2^195983359 is an apocalyptic number.

195983359 is a deficient number, since it is larger than the sum of its proper divisors (41098241).

195983359 is a wasteful number, since it uses less digits than its factorization.

195983359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its digits is 1312200, while the sum is 52.

The square root of 195983359 is about 13999.4056659560. The cubic root of 195983359 is about 580.8621334347.

The spelling of 195983359 in words is "one hundred ninety-five million, nine hundred eighty-three thousand, three hundred fifty-nine".