9898667 has 2 divisors, whose sum is σ = 9898668. Its totient is φ = 9898666.

The previous prime is 9898649. The next prime is 9898673. The reversal of 9898667 is 7668989.

9898667 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 9898667 - 2¹⁴ = 9882283 is a prime.

It is not a weakly prime, because it can be changed into another prime (9898627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4949333 + 4949334.

It is an arithmetic number, because the mean of its divisors is an integer number (4949334).

Almost surely, 2^9898667 is an apocalyptic number.

9898667 is a deficient number, since it is larger than the sum of its proper divisors (1).

9898667 is an equidigital number, since it uses as much as digits as its factorization.

9898667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 9898667 is about 3146.2147097743. The cubic root of 9898667 is about 214.7132792421.

The spelling of 9898667 in words is "nine million, eight hundred ninety-eight thousand, six hundred sixty-seven".