442434343 has 4 divisors (see below), whose sum is σ = 476467768. Its totient is φ = 408400920.

The previous prime is 442434341. The next prime is 442434389. The reversal of 442434343 is 343434244.

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

It is a cyclic number.

It is not a de Polignac number, because 442434343 - 2¹ = 442434341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442434341) 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, 17016693 + ... + 17016718.

It is an arithmetic number, because the mean of its divisors is an integer number (119116942).

Almost surely, 2^442434343 is an apocalyptic number.

442434343 is a deficient number, since it is larger than the sum of its proper divisors (34033425).

442434343 is a wasteful number, since it uses less digits than its factorization.

442434343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34033424.

The product of its digits is 55296, while the sum is 31.

The square root of 442434343 is about 21034.1233000094. The cubic root of 442434343 is about 761.9905936614.

Adding to 442434343 its reverse (343434244), we get a palindrome (785868587).

Subtracting from 442434343 its reverse (343434244), we obtain a palindrome (99000099).

The spelling of 442434343 in words is "four hundred forty-two million, four hundred thirty-four thousand, three hundred forty-three".