9613939 has 2 divisors, whose sum is σ = 9613940. Its totient is φ = 9613938.

The previous prime is 9613907. The next prime is 9613949. The reversal of 9613939 is 9393169.

9613939 is digitally balanced in base 2 and base 3, because in such bases 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 9613939 - 2⁵ = 9613907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9613949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806969 + 4806970.

It is an arithmetic number, because the mean of its divisors is an integer number (4806970).

Almost surely, 2^9613939 is an apocalyptic number.

9613939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9613939 is an equidigital number, since it uses as much as digits as its factorization.

9613939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 40.

The square root of 9613939 is about 3100.6352574916. The cubic root of 9613939 is about 212.6345279648.

It can be divided in two parts, 961 and 3939, that added together give a square (4900 = 70²).

The spelling of 9613939 in words is "nine million, six hundred thirteen thousand, nine hundred thirty-nine".