9879884 has 12 divisors (see below), whose sum is σ = 19759824. Its totient is φ = 4234224.

The previous prime is 9879871. The next prime is 9879901. The reversal of 9879884 is 4889789.

9879884 is an admirable number.

It is a super-2 number, since 2×9879884² = 195224215706912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176399 + ... + 176454.

It is an arithmetic number, because the mean of its divisors is an integer number (1646652).

Almost surely, 2^9879884 is an apocalyptic number.

It is an amenable number.

9879884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9879884 is a wasteful number, since it uses less digits than its factorization.

9879884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352864 (or 352862 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 53.

The square root of 9879884 is about 3143.2282767881. The cubic root of 9879884 is about 214.5773850824.

The spelling of 9879884 in words is "nine million, eight hundred seventy-nine thousand, eight hundred eighty-four".