9967699 has 4 divisors (see below), whose sum is σ = 11391664. Its totient is φ = 8543736.

The previous prime is 9967697. The next prime is 9967703.

9967699 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9967699 - 2¹ = 9967697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9967691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711972 + ... + 711985.

It is an arithmetic number, because the mean of its divisors is an integer number (2847916).

Almost surely, 2^9967699 is an apocalyptic number.

9967699 is a deficient number, since it is larger than the sum of its proper divisors (1423965).

9967699 is a wasteful number, since it uses less digits than its factorization.

9967699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423964.

The product of its digits is 1653372, while the sum is 55.

The square root of 9967699 is about 3157.1662927378. The cubic root of 9967699 is about 215.2112508110.

The spelling of 9967699 in words is "nine million, nine hundred sixty-seven thousand, six hundred ninety-nine".