442486334 has 4 divisors (see below), whose sum is σ = 663729504. Its totient is φ = 221243166.

The previous prime is 442486313. The next prime is 442486337. The reversal of 442486334 is 433684244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442486337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110621582 + ... + 110621585.

It is an arithmetic number, because the mean of its divisors is an integer number (165932376).

Almost surely, 2^442486334 is an apocalyptic number.

442486334 is a deficient number, since it is larger than the sum of its proper divisors (221243170).

442486334 is a wasteful number, since it uses less digits than its factorization.

442486334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221243169.

The product of its digits is 221184, while the sum is 38.

The square root of 442486334 is about 21035.3591364635. The cubic root of 442486334 is about 762.0204399741.

The spelling of 442486334 in words is "four hundred forty-two million, four hundred eighty-six thousand, three hundred thirty-four".