7941 has 4 divisors (see below), whose sum is σ = 10592. Its totient is φ = 5292.

The previous prime is 7937. The next prime is 7949. The reversal of 7941 is 1497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1497 = 3 ⋅499.

It is not a de Polignac number, because 7941 - 2² = 7937 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321 + ... + 1326.

It is an arithmetic number, because the mean of its divisors is an integer number (2648).

2⁷⁹⁴¹ is an apocalyptic number.

It is an amenable number.

7941 is a deficient number, since it is larger than the sum of its proper divisors (2651).

7941 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 7941 = (4719)₁₂.

7941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its digits is 252, while the sum is 21.

The square root of 7941 is about 89.1122887149. The cubic root of 7941 is about 19.9507119676.

It can be divided in two parts, 79 and 41, that added together give a triangular number (120 = T₁₅).

The spelling of 7941 in words is "seven thousand, nine hundred forty-one".