9964667 has 2 divisors, whose sum is σ = 9964668. Its totient is φ = 9964666.

The previous prime is 9964651. The next prime is 9964769. The reversal of 9964667 is 7664699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9964667 - 2⁴ = 9964651 is a prime.

It is not a weakly prime, because it can be changed into another prime (9964967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4982333 + 4982334.

It is an arithmetic number, because the mean of its divisors is an integer number (4982334).

Almost surely, 2^9964667 is an apocalyptic number.

9964667 is a deficient number, since it is larger than the sum of its proper divisors (1).

9964667 is an equidigital number, since it uses as much as digits as its factorization.

9964667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 9964667 is about 3156.6860787858. The cubic root of 9964667 is about 215.1894274298.

Subtracting from 9964667 its reverse (7664699), we obtain a cube (2299968 = 132³).

The spelling of 9964667 in words is "nine million, nine hundred sixty-four thousand, six hundred sixty-seven".