9979576 has 8 divisors (see below), whose sum is σ = 18711720. Its totient is φ = 4989784.

The previous prime is 9979553. The next prime is 9979577. The reversal of 9979576 is 6759799.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9979577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623716 + ... + 623731.

It is an arithmetic number, because the mean of its divisors is an integer number (2338965).

Almost surely, 2^9979576 is an apocalyptic number.

It is an amenable number.

9979576 is a deficient number, since it is larger than the sum of its proper divisors (8732144).

9979576 is a wasteful number, since it uses less digits than its factorization.

9979576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247453 (or 1247449 counting only the distinct ones).

The product of its digits is 1071630, while the sum is 52.

The square root of 9979576 is about 3159.0466916461. The cubic root of 9979576 is about 215.2966951204.

The spelling of 9979576 in words is "nine million, nine hundred seventy-nine thousand, five hundred seventy-six".