9792979 has 4 divisors (see below), whose sum is σ = 11191984. Its totient is φ = 8393976.

The previous prime is 9792971. The next prime is 9792983.

9792979 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 9792979 - 2³ = 9792971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9792971) 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, 699492 + ... + 699505.

It is an arithmetic number, because the mean of its divisors is an integer number (2797996).

Almost surely, 2^9792979 is an apocalyptic number.

9792979 is a deficient number, since it is larger than the sum of its proper divisors (1399005).

9792979 is a wasteful number, since it uses less digits than its factorization.

9792979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399004.

The product of its digits is 642978, while the sum is 52.

The square root of 9792979 is about 3129.3735794884. The cubic root of 9792979 is about 213.9463792637.

The spelling of 9792979 in words is "nine million, seven hundred ninety-two thousand, nine hundred seventy-nine".