9316639 has 2 divisors, whose sum is σ = 9316640. Its totient is φ = 9316638.

The previous prime is 9316621. The next prime is 9316661. The reversal of 9316639 is 9366139.

9316639 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 a cyclic number.

It is not a de Polignac number, because 9316639 - 2⁵ = 9316607 is a prime.

9316639 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9316598 and 9316607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9313639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4658319 + 4658320.

It is an arithmetic number, because the mean of its divisors is an integer number (4658320).

Almost surely, 2^9316639 is an apocalyptic number.

9316639 is a deficient number, since it is larger than the sum of its proper divisors (1).

9316639 is an equidigital number, since it uses as much as digits as its factorization.

9316639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 37.

The square root of 9316639 is about 3052.3169887808. The cubic root of 9316639 is about 210.4197123676.

The spelling of 9316639 in words is "nine million, three hundred sixteen thousand, six hundred thirty-nine".