195119928 has 80 divisors (see below), whose sum is σ = 554344560. Its totient is φ = 64108800.

The previous prime is 195119927. The next prime is 195119933. The reversal of 195119928 is 829911591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195119927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43888 + ... + 48128.

It is an arithmetic number, because the mean of its divisors is an integer number (6929307).

Almost surely, 2^195119928 is an apocalyptic number.

195119928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195119928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277172280).

195119928 is an abundant number, since it is smaller than the sum of its proper divisors (359224632).

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

195119928 is a wasteful number, since it uses less digits than its factorization.

195119928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330 (or 4317 counting only the distinct ones).

The product of its digits is 58320, while the sum is 45.

The square root of 195119928 is about 13968.5334949665. The cubic root of 195119928 is about 580.0078556209.

The spelling of 195119928 in words is "one hundred ninety-five million, one hundred nineteen thousand, nine hundred twenty-eight".