442876093 has 12 divisors (see below), whose sum is σ = 489371904. Its totient is φ = 400485800.

The previous prime is 442876087. The next prime is 442876099. The reversal of 442876093 is 390678244.

It is an interprime number because it is at equal distance from previous prime (442876087) and next prime (442876099).

It is a de Polignac number, because none of the positive numbers 2^k-442876093 is a prime.

It is a super-2 number, since 2×442876093² = 392278467501889298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442876099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13530 + ... + 32692.

It is an arithmetic number, because the mean of its divisors is an integer number (40780992).

Almost surely, 2^442876093 is an apocalyptic number.

It is an amenable number.

442876093 is a deficient number, since it is larger than the sum of its proper divisors (46495811).

442876093 is a wasteful number, since it uses less digits than its factorization.

442876093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19376 (or 19365 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 442876093 is about 21044.6214743815. The cubic root of 442876093 is about 762.2441132947.

The spelling of 442876093 in words is "four hundred forty-two million, eight hundred seventy-six thousand, ninety-three".