9942941 has 2 divisors, whose sum is σ = 9942942. Its totient is φ = 9942940.

The previous prime is 9942931. The next prime is 9943057. The reversal of 9942941 is 1492499.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7722841 + 2220100 = 2779^2 + 1490^2 .

It is an emirp because it is prime and its reverse (1492499) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9942941 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9942895 and 9942904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9942931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971470 + 4971471.

It is an arithmetic number, because the mean of its divisors is an integer number (4971471).

Almost surely, 2^9942941 is an apocalyptic number.

It is an amenable number.

9942941 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942941 is an equidigital number, since it uses as much as digits as its factorization.

9942941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 9942941 is about 3153.2429338698. The cubic root of 9942941 is about 215.0329208648.

The spelling of 9942941 in words is "nine million, nine hundred forty-two thousand, nine hundred forty-one".