9979652 has 6 divisors (see below), whose sum is σ = 17464398. Its totient is φ = 4989824.

The previous prime is 9979643. The next prime is 9979681. The reversal of 9979652 is 2569799.

It can be written as a sum of positive squares in only one way, i.e., 8620096 + 1359556 = 2936^2 + 1166^2 .

It is a super-2 number, since 2×9979652² = 199186908082208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9979597 and 9979606.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247453 + ... + 1247460.

It is an arithmetic number, because the mean of its divisors is an integer number (2910733).

Almost surely, 2^9979652 is an apocalyptic number.

It is an amenable number.

9979652 is a deficient number, since it is larger than the sum of its proper divisors (7484746).

9979652 is a wasteful number, since it uses less digits than its factorization.

9979652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494917 (or 2494915 counting only the distinct ones).

The product of its digits is 306180, while the sum is 47.

The square root of 9979652 is about 3159.0587205685. The cubic root of 9979652 is about 215.2972416536.

The spelling of 9979652 in words is "nine million, nine hundred seventy-nine thousand, six hundred fifty-two".