9679997 has 4 divisors (see below), whose sum is σ = 10013820. Its totient is φ = 9346176.

The previous prime is 9679981. The next prime is 9680003. The reversal of 9679997 is 7999769.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5635876 + 4044121 = 2374^2 + 2011^2 .

It is a cyclic number.

It is not a de Polignac number, because 9679997 - 2⁴ = 9679981 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 (9679937) 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, 166868 + ... + 166925.

It is an arithmetic number, because the mean of its divisors is an integer number (2503455).

Almost surely, 2^9679997 is an apocalyptic number.

It is an amenable number.

9679997 is a deficient number, since it is larger than the sum of its proper divisors (333823).

9679997 is a wasteful number, since it uses less digits than its factorization.

9679997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333822.

The product of its digits is 1928934, while the sum is 56.

The square root of 9679997 is about 3111.2693551025. The cubic root of 9679997 is about 213.1204253367.

The spelling of 9679997 in words is "nine million, six hundred seventy-nine thousand, nine hundred ninety-seven".