9979311 has 8 divisors (see below), whose sum is σ = 13615360. Its totient is φ = 6498072.

The previous prime is 9979301. The next prime is 9979327. The reversal of 9979311 is 1139799.

9979311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9979311 - 2⁷ = 9979183 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 9979311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38551 + ... + 38808.

It is an arithmetic number, because the mean of its divisors is an integer number (1701920).

Almost surely, 2^9979311 is an apocalyptic number.

9979311 is a deficient number, since it is larger than the sum of its proper divisors (3636049).

9979311 is a wasteful number, since it uses less digits than its factorization.

9979311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77405.

The product of its digits is 15309, while the sum is 39.

The square root of 9979311 is about 3159.0047483345. The cubic root of 9979311 is about 215.2947894239.

The spelling of 9979311 in words is "nine million, nine hundred seventy-nine thousand, three hundred eleven".