195434644 has 12 divisors (see below), whose sum is σ = 345207744. Its totient is φ = 96803864.

The previous prime is 195434641. The next prime is 195434663. The reversal of 195434644 is 446434591.

It is a junction number, because it is equal to n+sod(n) for n = 195434597 and 195434606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195434641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227884 + ... + 228739.

It is an arithmetic number, because the mean of its divisors is an integer number (28767312).

Almost surely, 2^195434644 is an apocalyptic number.

It is an amenable number.

195434644 is a deficient number, since it is larger than the sum of its proper divisors (149773100).

195434644 is a wasteful number, since it uses less digits than its factorization.

195434644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456734 (or 456732 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 195434644 is about 13979.7941329620. The cubic root of 195434644 is about 580.3195266727.

The spelling of 195434644 in words is "one hundred ninety-five million, four hundred thirty-four thousand, six hundred forty-four".