9979848 has 40 divisors (see below), whose sum is σ = 27954630. Its totient is φ = 3326400.

The previous prime is 9979843. The next prime is 9979859. The reversal of 9979848 is 8489799.

It can be written as a sum of positive squares in only one way, i.e., 5391684 + 4588164 = 2322^2 + 2142^2 .

It is a super-2 number, since 2×9979848² = 199194732206208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9979794 and 9979803.

It is not an unprimeable number, because it can be changed into a prime (9979843) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7053 + ... + 8348.

Almost surely, 2^9979848 is an apocalyptic number.

It is an amenable number.

9979848 is an abundant number, since it is smaller than the sum of its proper divisors (17974782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9979848 is a wasteful number, since it uses less digits than its factorization.

9979848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15419 (or 15406 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 9979848 is about 3159.0897423150. The cubic root of 9979848 is about 215.2986511210.

The spelling of 9979848 in words is "nine million, nine hundred seventy-nine thousand, eight hundred forty-eight".