442444103 has 8 divisors (see below), whose sum is σ = 448430448. Its totient is φ = 436497984.

The previous prime is 442444069. The next prime is 442444109. The reversal of 442444103 is 301444244.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 442444103 - 2¹² = 442440007 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 (442444109) 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, 12425 + ... + 32237.

It is an arithmetic number, because the mean of its divisors is an integer number (56053806).

Almost surely, 2^442444103 is an apocalyptic number.

442444103 is a deficient number, since it is larger than the sum of its proper divisors (5986345).

442444103 is a wasteful number, since it uses less digits than its factorization.

442444103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20113.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 442444103 is about 21034.3553026947. The cubic root of 442444103 is about 761.9961967327.

Adding to 442444103 its reverse (301444244), we get a palindrome (743888347).

The spelling of 442444103 in words is "four hundred forty-two million, four hundred forty-four thousand, one hundred three".