42296939 has 2 divisors, whose sum is σ = 42296940. Its totient is φ = 42296938.

The previous prime is 42296921. The next prime is 42296941. The reversal of 42296939 is 93969224.

42296939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42296939 - 2¹⁶ = 42231403 is a prime.

Together with 42296941, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42296939.

It is not a weakly prime, because it can be changed into another prime (42296959) 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, 21148469 + 21148470.

It is an arithmetic number, because the mean of its divisors is an integer number (21148470).

Almost surely, 2^42296939 is an apocalyptic number.

42296939 is a deficient number, since it is larger than the sum of its proper divisors (1).

42296939 is an equidigital number, since it uses as much as digits as its factorization.

42296939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 44.

The square root of 42296939 is about 6503.6096900106. The cubic root of 42296939 is about 348.4199223599.

The spelling of 42296939 in words is "forty-two million, two hundred ninety-six thousand, nine hundred thirty-nine".