9979385 has 8 divisors (see below), whose sum is σ = 12896520. Its totient is φ = 7369344.

The previous prime is 9979337. The next prime is 9979399. The reversal of 9979385 is 5839799.

9979385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 9554281 = 652^2 + 3091^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9979385 - 2¹⁰ = 9978361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76700 + ... + 76829.

It is an arithmetic number, because the mean of its divisors is an integer number (1612065).

Almost surely, 2^9979385 is an apocalyptic number.

It is an amenable number.

9979385 is a deficient number, since it is larger than the sum of its proper divisors (2917135).

9979385 is a wasteful number, since it uses less digits than its factorization.

9979385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153547.

The product of its digits is 612360, while the sum is 50.

The square root of 9979385 is about 3159.0164608625. The cubic root of 9979385 is about 215.2953215841.

The spelling of 9979385 in words is "nine million, nine hundred seventy-nine thousand, three hundred eighty-five".