9618667 has 2 divisors, whose sum is σ = 9618668. Its totient is φ = 9618666.

The previous prime is 9618647. The next prime is 9618677. The reversal of 9618667 is 7668169.

9618667 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 9618667 - 2¹¹ = 9616619 is a prime.

It is not a weakly prime, because it can be changed into another prime (9618607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4809333 + 4809334.

It is an arithmetic number, because the mean of its divisors is an integer number (4809334).

Almost surely, 2^9618667 is an apocalyptic number.

9618667 is a deficient number, since it is larger than the sum of its proper divisors (1).

9618667 is an equidigital number, since it uses as much as digits as its factorization.

9618667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 43.

The square root of 9618667 is about 3101.3975881850. The cubic root of 9618667 is about 212.6693791425.

The spelling of 9618667 in words is "nine million, six hundred eighteen thousand, six hundred sixty-seven".