7948943 has 2 divisors, whose sum is σ = 7948944. Its totient is φ = 7948942.

The previous prime is 7948939. The next prime is 7948951. The reversal of 7948943 is 3498497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7948943 - 2² = 7948939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7948894 and 7948903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7948543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3974471 + 3974472.

It is an arithmetic number, because the mean of its divisors is an integer number (3974472).

Almost surely, 2^7948943 is an apocalyptic number.

7948943 is a deficient number, since it is larger than the sum of its proper divisors (1).

7948943 is an equidigital number, since it uses as much as digits as its factorization.

7948943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 7948943 is about 2819.3869901097. The cubic root of 7948943 is about 199.5736166321.

The spelling of 7948943 in words is "seven million, nine hundred forty-eight thousand, nine hundred forty-three".