195628849 has 8 divisors (see below), whose sum is σ = 212647680. Its totient is φ = 178891536.

The previous prime is 195628841. The next prime is 195628859. The reversal of 195628849 is 948826591.

195628849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 195628849 - 2³ = 195628841 is a prime.

It is a super-2 number, since 2×195628849² = 76541293122129602, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195628796 and 195628805.

It is not an unprimeable number, because it can be changed into a prime (195628841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68929 + ... + 71710.

It is an arithmetic number, because the mean of its divisors is an integer number (26580960).

Almost surely, 2^195628849 is an apocalyptic number.

It is an amenable number.

195628849 is a deficient number, since it is larger than the sum of its proper divisors (17018831).

195628849 is a wasteful number, since it uses less digits than its factorization.

195628849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140759.

The product of its digits is 1244160, while the sum is 52.

The square root of 195628849 is about 13986.7383260001. The cubic root of 195628849 is about 580.5116857859.

The spelling of 195628849 in words is "one hundred ninety-five million, six hundred twenty-eight thousand, eight hundred forty-nine".