9979796 has 6 divisors (see below), whose sum is σ = 17464650. Its totient is φ = 4989896.

The previous prime is 9979789. The next prime is 9979811. The reversal of 9979796 is 6979799.

It can be written as a sum of positive squares in only one way, i.e., 8491396 + 1488400 = 2914^2 + 1220^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247471 + ... + 1247478.

It is an arithmetic number, because the mean of its divisors is an integer number (2910775).

Almost surely, 2^9979796 is an apocalyptic number.

It is an amenable number.

9979796 is a deficient number, since it is larger than the sum of its proper divisors (7484854).

9979796 is a wasteful number, since it uses less digits than its factorization.

9979796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494953 (or 2494951 counting only the distinct ones).

The product of its digits is 1928934, while the sum is 56.

The square root of 9979796 is about 3159.0815120854. The cubic root of 9979796 is about 215.2982771825.

The spelling of 9979796 in words is "nine million, nine hundred seventy-nine thousand, seven hundred ninety-six".