193744242 has 12 divisors (see below), whose sum is σ = 419779230. Its totient is φ = 64581408.

The previous prime is 193744241. The next prime is 193744267. The reversal of 193744242 is 242447391.

193744242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 186076881 + 7667361 = 13641^2 + 2769^2 .

It is a junction number, because it is equal to n+sod(n) for n = 193744197 and 193744206.

It is not an unprimeable number, because it can be changed into a prime (193744241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5381767 + ... + 5381802.

Almost surely, 2^193744242 is an apocalyptic number.

193744242 is an abundant number, since it is smaller than the sum of its proper divisors (226034988).

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

193744242 is a wasteful number, since it uses less digits than its factorization.

193744242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10763577 (or 10763574 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 193744242 is about 13919.2040720725. The cubic root of 193744242 is about 578.6415313580.

The spelling of 193744242 in words is "one hundred ninety-three million, seven hundred forty-four thousand, two hundred forty-two".