9879724 has 6 divisors (see below), whose sum is σ = 17289524. Its totient is φ = 4939860.

The previous prime is 9879697. The next prime is 9879757. The reversal of 9879724 is 4279789.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234962 + ... + 1234969.

Almost surely, 2^9879724 is an apocalyptic number.

It is an amenable number.

9879724 is a deficient number, since it is larger than the sum of its proper divisors (7409800).

9879724 is a wasteful number, since it uses less digits than its factorization.

9879724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469935 (or 2469933 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 9879724 is about 3143.2028251451. The cubic root of 9879724 is about 214.5762267501.

The spelling of 9879724 in words is "nine million, eight hundred seventy-nine thousand, seven hundred twenty-four".