442876361 has 4 divisors (see below), whose sum is σ = 450382800. Its totient is φ = 435369924.

The previous prime is 442876349. The next prime is 442876363. The reversal of 442876361 is 163678244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442876361 is a prime.

It is a super-2 number, since 2×442876361² = 392278942265204642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442876363) 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, 3753131 + ... + 3753248.

It is an arithmetic number, because the mean of its divisors is an integer number (112595700).

Almost surely, 2^442876361 is an apocalyptic number.

It is an amenable number.

442876361 is a deficient number, since it is larger than the sum of its proper divisors (7506439).

442876361 is an equidigital number, since it uses as much as digits as its factorization.

442876361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506438.

The product of its digits is 193536, while the sum is 41.

The square root of 442876361 is about 21044.6278418032. The cubic root of 442876361 is about 762.2442670483.

The spelling of 442876361 in words is "four hundred forty-two million, eight hundred seventy-six thousand, three hundred sixty-one".