442197916 has 24 divisors (see below), whose sum is σ = 801702720. Its totient is φ = 213162432.

The previous prime is 442197911. The next prime is 442197929. The reversal of 442197916 is 619791244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442197911) 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, 90061 + ... + 94843.

It is an arithmetic number, because the mean of its divisors is an integer number (33404280).

Almost surely, 2^442197916 is an apocalyptic number.

It is an amenable number.

442197916 is a deficient number, since it is larger than the sum of its proper divisors (359504804).

442197916 is a wasteful number, since it uses less digits than its factorization.

442197916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5613 (or 5611 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 442197916 is about 21028.5024668900. The cubic root of 442197916 is about 761.8548392436.

The spelling of 442197916 in words is "four hundred forty-two million, one hundred ninety-seven thousand, nine hundred sixteen".