4442003 has 2 divisors, whose sum is σ = 4442004. Its totient is φ = 4442002.

The previous prime is 4441999. The next prime is 4442027. The reversal of 4442003 is 3002444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4442003 - 2² = 4441999 is a prime.

It is equal to p₃₁₂₁₃₇ and since 4442003 and 312137 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4442093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221001 + 2221002.

It is an arithmetic number, because the mean of its divisors is an integer number (2221002).

Almost surely, 2^4442003 is an apocalyptic number.

4442003 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442003 is an equidigital number, since it uses as much as digits as its factorization.

4442003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4442003 is about 2107.6059878450. The cubic root of 4442003 is about 164.3840271756.

Adding to 4442003 its reverse (3002444), we get a palindrome (7444447).

The spelling of 4442003 in words is "four million, four hundred forty-two thousand, three".