195386249 has 16 divisors (see below), whose sum is σ = 203886720. Its totient is φ = 187125120.

The previous prime is 195386231. The next prime is 195386263. The reversal of 195386249 is 942683591.

It is a cyclic number.

It is not a de Polignac number, because 195386249 - 2²⁰ = 194337673 is a prime.

It is a Duffinian number.

Its product of digits (466560) is a multiple of the sum of its prime divisors (640).

It is not an unprimeable number, because it can be changed into a prime (195386209) 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, 515342 + ... + 515720.

It is an arithmetic number, because the mean of its divisors is an integer number (12742920).

Almost surely, 2^195386249 is an apocalyptic number.

It is an amenable number.

195386249 is a deficient number, since it is larger than the sum of its proper divisors (8500471).

195386249 is a wasteful number, since it uses less digits than its factorization.

195386249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its digits is 466560, while the sum is 47.

The square root of 195386249 is about 13978.0631347837. The cubic root of 195386249 is about 580.2716216861.

The spelling of 195386249 in words is "one hundred ninety-five million, three hundred eighty-six thousand, two hundred forty-nine".