195429834 has 48 divisors (see below), whose sum is σ = 440687520. Its totient is φ = 64910160.

The previous prime is 195429823. The next prime is 195429847. The reversal of 195429834 is 438924591.

195429834 is a `hidden beast` number, since 19 + 542 + 98 + 3 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 195429834.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 183664 + ... + 184724.

It is an arithmetic number, because the mean of its divisors is an integer number (9180990).

Almost surely, 2^195429834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195429834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220343760).

195429834 is an abundant number, since it is smaller than the sum of its proper divisors (245257686).

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

195429834 is a wasteful number, since it uses less digits than its factorization.

195429834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1445 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 195429834 is about 13979.6220978966. The cubic root of 195429834 is about 580.3147657293.

The spelling of 195429834 in words is "one hundred ninety-five million, four hundred twenty-nine thousand, eight hundred thirty-four".