195444434 has 16 divisors (see below), whose sum is σ = 303101376. Its totient is φ = 94446000.

The previous prime is 195444421. The next prime is 195444437. The reversal of 195444434 is 434444591.

It is not an unprimeable number, because it can be changed into a prime (195444437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429 + ... + 19919.

It is an arithmetic number, because the mean of its divisors is an integer number (18943836).

Almost surely, 2^195444434 is an apocalyptic number.

195444434 is a deficient number, since it is larger than the sum of its proper divisors (107656942).

195444434 is a wasteful number, since it uses less digits than its factorization.

195444434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681.

The product of its digits is 138240, while the sum is 38.

The square root of 195444434 is about 13980.1442767949. The cubic root of 195444434 is about 580.3292165843.

The spelling of 195444434 in words is "one hundred ninety-five million, four hundred forty-four thousand, four hundred thirty-four".