9798979 has 4 divisors (see below), whose sum is σ = 9959680.
Its totient is φ = 9638280.
The previous prime is 9798973. The next prime is 9799019.
9798979 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 9798979 - 219 = 9274691 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (9798973) 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, 80259 + ... + 80380.
It is an arithmetic number, because the mean of its divisors is an integer number (2489920).
Almost surely, 29798979 is an apocalyptic number.
9798979 is a deficient number, since it is larger than the sum of its proper divisors (160701).
9798979 is a wasteful number, since it uses less digits than its factorization.
9798979 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160700.
The product of its digits is 2571912, while the sum is 58.
The square root of 9798979 is about 3130.3320910089.
The cubic root of 9798979 is about 213.9900641732.
The spelling of 9798979 in words is "nine million, seven hundred ninety-eight thousand, nine hundred seventy-nine".