442923093 has 8 divisors (see below), whose sum is σ = 656182400. Its totient is φ = 295282044.

The previous prime is 442923043. The next prime is 442923113. The reversal of 442923093 is 390329244.

It is not a de Polignac number, because 442923093 - 2²¹ = 440825941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442923023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8202253 + ... + 8202306.

It is an arithmetic number, because the mean of its divisors is an integer number (82022800).

Almost surely, 2^442923093 is an apocalyptic number.

It is an amenable number.

442923093 is a deficient number, since it is larger than the sum of its proper divisors (213259307).

442923093 is a wasteful number, since it uses less digits than its factorization.

442923093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404568 (or 16404562 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 442923093 is about 21045.7381196289. The cubic root of 442923093 is about 762.2710765972.

The spelling of 442923093 in words is "four hundred forty-two million, nine hundred twenty-three thousand, ninety-three".