195891024 has 120 divisors (see below), whose sum is σ = 604851168. Its totient is φ = 54432000.

The previous prime is 195891013. The next prime is 195891029. The reversal of 195891024 is 420198591.

195891024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195891029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85899 + ... + 88149.

Almost surely, 2^195891024 is an apocalyptic number.

195891024 is a gapful number since it is divisible by the number (14) 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 195891024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302425584).

195891024 is an abundant number, since it is smaller than the sum of its proper divisors (408960144).

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

195891024 is a wasteful number, since it uses less digits than its factorization.

195891024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2300 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 195891024 is about 13996.1074588616. The cubic root of 195891024 is about 580.7708972357.

The spelling of 195891024 in words is "one hundred ninety-five million, eight hundred ninety-one thousand, twenty-four".