442944734 has 16 divisors (see below), whose sum is σ = 668471616. Its totient is φ = 220125600.

The previous prime is 442944731. The next prime is 442944743. The reversal of 442944734 is 437449244.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 442944691 and 442944700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442944731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272444 + ... + 274064.

It is an arithmetic number, because the mean of its divisors is an integer number (41779476).

Almost surely, 2^442944734 is an apocalyptic number.

442944734 is a deficient number, since it is larger than the sum of its proper divisors (225526882).

442944734 is a wasteful number, since it uses less digits than its factorization.

442944734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371.

The product of its digits is 387072, while the sum is 41.

The square root of 442944734 is about 21046.2522554492. The cubic root of 442944734 is about 762.2834911224.

The spelling of 442944734 in words is "four hundred forty-two million, nine hundred forty-four thousand, seven hundred thirty-four".