9691967 has 4 divisors (see below), whose sum is σ = 9734520. Its totient is φ = 9649416.

The previous prime is 9691963. The next prime is 9691987. The reversal of 9691967 is 7691969.

It is a happy number.

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 9691967 - 2² = 9691963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9691963) 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, 20933 + ... + 21390.

It is an arithmetic number, because the mean of its divisors is an integer number (2433630).

Almost surely, 2^9691967 is an apocalyptic number.

9691967 is a deficient number, since it is larger than the sum of its proper divisors (42553).

9691967 is a wasteful number, since it uses less digits than its factorization.

9691967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42552.

The product of its digits is 183708, while the sum is 47.

The square root of 9691967 is about 3113.1924129421. The cubic root of 9691967 is about 213.2082353052.

The spelling of 9691967 in words is "nine million, six hundred ninety-one thousand, nine hundred sixty-seven".