9870979 has 8 divisors (see below), whose sum is σ = 10333440. Its totient is φ = 9411336.

The previous prime is 9870977. The next prime is 9870983. The reversal of 9870979 is 9790789.

9870979 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 a cyclic number.

It is not a de Polignac number, because 9870979 - 2¹ = 9870977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9870977) 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, 10282 + ... + 11200.

It is an arithmetic number, because the mean of its divisors is an integer number (1291680).

Almost surely, 2^9870979 is an apocalyptic number.

9870979 is a deficient number, since it is larger than the sum of its proper divisors (462461).

9870979 is a wasteful number, since it uses less digits than its factorization.

9870979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409.

The product of its (nonzero) digits is 285768, while the sum is 49.

The square root of 9870979 is about 3141.8114201842. The cubic root of 9870979 is about 214.5128976185.

The spelling of 9870979 in words is "nine million, eight hundred seventy thousand, nine hundred seventy-nine".