3944873 has 2 divisors, whose sum is σ = 3944874. Its totient is φ = 3944872.

The previous prime is 3944869. The next prime is 3944881. The reversal of 3944873 is 3784493.

3944873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2968729 + 976144 = 1723^2 + 988^2 .

It is an emirp because it is prime and its reverse (3784493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3944873 - 2² = 3944869 is a prime.

It is a super-2 number, since 2×3944873² = 31124045972258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3944813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1972436 + 1972437.

It is an arithmetic number, because the mean of its divisors is an integer number (1972437).

Almost surely, 2^3944873 is an apocalyptic number.

It is an amenable number.

3944873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3944873 is an equidigital number, since it uses as much as digits as its factorization.

3944873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 3944873 is about 1986.1704357884. The cubic root of 3944873 is about 158.0074904316.

The spelling of 3944873 in words is "three million, nine hundred forty-four thousand, eight hundred seventy-three".