7949443 has 2 divisors, whose sum is σ = 7949444. Its totient is φ = 7949442.

The previous prime is 7949411. The next prime is 7949497. The reversal of 7949443 is 3449497.

It is a weak prime.

It is an emirp because it is prime and its reverse (3449497) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7949443 - 2⁵ = 7949411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7949396 and 7949405.

It is not a weakly prime, because it can be changed into another prime (7949143) 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, 3974721 + 3974722.

It is an arithmetic number, because the mean of its divisors is an integer number (3974722).

Almost surely, 2^7949443 is an apocalyptic number.

7949443 is a deficient number, since it is larger than the sum of its proper divisors (1).

7949443 is an equidigital number, since it uses as much as digits as its factorization.

7949443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 7949443 is about 2819.4756604731. The cubic root of 7949443 is about 199.5778010340.

It can be divided in two parts, 794944 and 3, that multiplied together give a palindrome (2384832).

The spelling of 7949443 in words is "seven million, nine hundred forty-nine thousand, four hundred forty-three".