442343912 has 16 divisors (see below), whose sum is σ = 865455840. Its totient is φ = 211555696.

The previous prime is 442343911. The next prime is 442343971. The reversal of 442343912 is 219343244.

It is not an unprimeable number, because it can be changed into a prime (442343911) 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, 1201838 + ... + 1202205.

It is an arithmetic number, because the mean of its divisors is an integer number (54090990).

Almost surely, 2^442343912 is an apocalyptic number.

It is an amenable number.

442343912 is a deficient number, since it is larger than the sum of its proper divisors (423111928).

442343912 is a wasteful number, since it uses less digits than its factorization.

442343912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404072 (or 2404068 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 442343912 is about 21031.9735640762. The cubic root of 442343912 is about 761.9386746458.

The spelling of 442343912 in words is "four hundred forty-two million, three hundred forty-three thousand, nine hundred twelve".