9657667 has 4 divisors (see below), whose sum is σ = 9990720. Its totient is φ = 9324616.

The previous prime is 9657653. The next prime is 9657679. The reversal of 9657667 is 7667569.

9657667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9657667 - 2¹¹ = 9655619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9657367) 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, 166483 + ... + 166540.

It is an arithmetic number, because the mean of its divisors is an integer number (2497680).

Almost surely, 2^9657667 is an apocalyptic number.

9657667 is a deficient number, since it is larger than the sum of its proper divisors (333053).

9657667 is a wasteful number, since it uses less digits than its factorization.

9657667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333052.

The product of its digits is 476280, while the sum is 46.

The square root of 9657667 is about 3107.6787156976. The cubic root of 9657667 is about 212.9564224222.

The spelling of 9657667 in words is "nine million, six hundred fifty-seven thousand, six hundred sixty-seven".