195823969 has 16 divisors (see below), whose sum is σ = 229913856. Its totient is φ = 164793600.

The previous prime is 195823963. The next prime is 195823973. The reversal of 195823969 is 969328591.

It is a cyclic number.

It is not a de Polignac number, because 195823969 - 2¹³ = 195815777 is a prime.

It is a super-2 number, since 2×195823969² = 76694053669825922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195823963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2824 + ... + 19990.

It is an arithmetic number, because the mean of its divisors is an integer number (14369616).

Almost surely, 2^195823969 is an apocalyptic number.

It is an amenable number.

195823969 is a deficient number, since it is larger than the sum of its proper divisors (34089887).

195823969 is a wasteful number, since it uses less digits than its factorization.

195823969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17256.

The product of its digits is 1049760, while the sum is 52.

The square root of 195823969 is about 13993.7117663613. The cubic root of 195823969 is about 580.7046222287.

The spelling of 195823969 in words is "one hundred ninety-five million, eight hundred twenty-three thousand, nine hundred sixty-nine".