442343534 has 4 divisors (see below), whose sum is σ = 663515304. Its totient is φ = 221171766.

The previous prime is 442343533. The next prime is 442343543. The reversal of 442343534 is 435343244.

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

It is a self number, because there is not a number n which added to its sum of digits gives 442343534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442343533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110585882 + ... + 110585885.

It is an arithmetic number, because the mean of its divisors is an integer number (165878826).

Almost surely, 2^442343534 is an apocalyptic number.

442343534 is a deficient number, since it is larger than the sum of its proper divisors (221171770).

442343534 is a wasteful number, since it uses less digits than its factorization.

442343534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221171769.

The product of its digits is 69120, while the sum is 32.

The square root of 442343534 is about 21031.9645777564. The cubic root of 442343534 is about 761.9384576103.

Adding to 442343534 its reverse (435343244), we get a palindrome (877686778).

The spelling of 442343534 in words is "four hundred forty-two million, three hundred forty-three thousand, five hundred thirty-four".