242448394 has 8 divisors (see below), whose sum is σ = 370534500. Its totient is φ = 118936896.

The previous prime is 242448389. The next prime is 242448397. The reversal of 242448394 is 493844242.

It is a happy number.

242448394 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 2 ways, for example, as 209236225 + 33212169 = 14465^2 + 5763^2 .

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

It is not an unprimeable number, because it can be changed into a prime (242448397) 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, 1143519 + ... + 1143730.

Almost surely, 2^242448394 is an apocalyptic number.

242448394 is a deficient number, since it is larger than the sum of its proper divisors (128086106).

242448394 is a wasteful number, since it uses less digits than its factorization.

242448394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287304.

The product of its digits is 221184, while the sum is 40.

The square root of 242448394 is about 15570.7544454339. The cubic root of 242448394 is about 623.5526135835.

The spelling of 242448394 in words is "two hundred forty-two million, four hundred forty-eight thousand, three hundred ninety-four".