942938939 has 2 divisors, whose sum is σ = 942938940. Its totient is φ = 942938938.

The previous prime is 942938933. The next prime is 942938977. The reversal of 942938939 is 939839249.

942938939 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 is an emirp because it is prime and its reverse (939839249) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-942938939 is a prime.

It is a super-4 number, since 4×942938939⁴ (a number of 37 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (942938933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471469469 + 471469470.

It is an arithmetic number, because the mean of its divisors is an integer number (471469470).

Almost surely, 2^942938939 is an apocalyptic number.

942938939 is a deficient number, since it is larger than the sum of its proper divisors (1).

942938939 is an equidigital number, since it uses as much as digits as its factorization.

942938939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 56.

The square root of 942938939 is about 30707.3108396030. The cubic root of 942938939 is about 980.6059486626.

The spelling of 942938939 in words is "nine hundred forty-two million, nine hundred thirty-eight thousand, nine hundred thirty-nine".