194242441 has 4 divisors (see below), whose sum is σ = 195479812. Its totient is φ = 193005072.

The previous prime is 194242397. The next prime is 194242463. The reversal of 194242441 is 144242491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103612041 + 90630400 = 10179^2 + 9520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194242441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194240441) 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, 618450 + ... + 618763.

It is an arithmetic number, because the mean of its divisors is an integer number (48869953).

Almost surely, 2^194242441 is an apocalyptic number.

It is an amenable number.

194242441 is a deficient number, since it is larger than the sum of its proper divisors (1237371).

194242441 is a wasteful number, since it uses less digits than its factorization.

194242441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237370.

The product of its digits is 9216, while the sum is 31.

The square root of 194242441 is about 13937.0886845137. The cubic root of 194242441 is about 579.1370848189.

The spelling of 194242441 in words is "one hundred ninety-four million, two hundred forty-two thousand, four hundred forty-one".