9979097 has 4 divisors (see below), whose sum is σ = 10006656. Its totient is φ = 9951540.

The previous prime is 9979091. The next prime is 9979111. The reversal of 9979097 is 7909799.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9979097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9979091) 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, 13229 + ... + 13962.

It is an arithmetic number, because the mean of its divisors is an integer number (2501664).

Almost surely, 2^9979097 is an apocalyptic number.

It is an amenable number.

9979097 is a deficient number, since it is larger than the sum of its proper divisors (27559).

9979097 is a wasteful number, since it uses less digits than its factorization.

9979097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27558.

The product of its (nonzero) digits is 321489, while the sum is 50.

The square root of 9979097 is about 3158.9708767255. The cubic root of 9979097 is about 215.2932504595.

The spelling of 9979097 in words is "nine million, nine hundred seventy-nine thousand, ninety-seven".