195434774 has 8 divisors (see below), whose sum is σ = 294267600. Its totient is φ = 97345576.

The previous prime is 195434773. The next prime is 195434801. The reversal of 195434774 is 477434591.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195434773) 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 3 ways as a sum of consecutive naturals, for example, 185249 + ... + 186300.

It is an arithmetic number, because the mean of its divisors is an integer number (36783450).

Almost surely, 2^195434774 is an apocalyptic number.

195434774 is a deficient number, since it is larger than the sum of its proper divisors (98832826).

195434774 is a wasteful number, since it uses less digits than its factorization.

195434774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371814.

The product of its digits is 423360, while the sum is 44.

The square root of 195434774 is about 13979.7987825290. The cubic root of 195434774 is about 580.3196553458.

The spelling of 195434774 in words is "one hundred ninety-five million, four hundred thirty-four thousand, seven hundred seventy-four".