195256998 has 12 divisors (see below), whose sum is σ = 423056868. Its totient is φ = 65085660.

The previous prime is 195256993. The next prime is 195257017. The reversal of 195256998 is 899652591.

195256998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195256993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5423788 + ... + 5423823.

It is an arithmetic number, because the mean of its divisors is an integer number (35254739).

Almost surely, 2^195256998 is an apocalyptic number.

195256998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

195256998 is an abundant number, since it is smaller than the sum of its proper divisors (227799870).

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

195256998 is a wasteful number, since it uses less digits than its factorization.

195256998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847619 (or 10847616 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The square root of 195256998 is about 13973.4390183662. The cubic root of 195256998 is about 580.1436406027.

The spelling of 195256998 in words is "one hundred ninety-five million, two hundred fifty-six thousand, nine hundred ninety-eight".