9994867 has 2 divisors, whose sum is σ = 9994868. Its totient is φ = 9994866.

The previous prime is 9994837. The next prime is 9994871. The reversal of 9994867 is 7684999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9994867 - 2⁷ = 9994739 is a prime.

It is not a weakly prime, because it can be changed into another prime (9994807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4997433 + 4997434.

It is an arithmetic number, because the mean of its divisors is an integer number (4997434).

Almost surely, 2^9994867 is an apocalyptic number.

9994867 is a deficient number, since it is larger than the sum of its proper divisors (1).

9994867 is an equidigital number, since it uses as much as digits as its factorization.

9994867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 52.

The square root of 9994867 is about 3161.4659574318. The cubic root of 9994867 is about 215.4066003167.

The spelling of 9994867 in words is "nine million, nine hundred ninety-four thousand, eight hundred sixty-seven".