195814728 has 96 divisors (see below), whose sum is σ = 552614400. Its totient is φ = 62563200.

The previous prime is 195814727. The next prime is 195814763. The reversal of 195814728 is 827418591.

195814728 is a `hidden beast` number, since 1 + 9 + 581 + 47 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (195814727) 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, 398563 + ... + 399053.

It is an arithmetic number, because the mean of its divisors is an integer number (5756400).

Almost surely, 2^195814728 is an apocalyptic number.

195814728 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 195814728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276307200).

195814728 is an abundant number, since it is smaller than the sum of its proper divisors (356799672).

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

195814728 is a wasteful number, since it uses less digits than its factorization.

195814728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723 (or 716 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 195814728 is about 13993.3815784463. The cubic root of 195814728 is about 580.6954875352.

The spelling of 195814728 in words is "one hundred ninety-five million, eight hundred fourteen thousand, seven hundred twenty-eight".