9969876 has 36 divisors (see below), whose sum is σ = 28802592. Its totient is φ = 2848464.

The previous prime is 9969859. The next prime is 9969887. The reversal of 9969876 is 6789699.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19530 + ... + 20033.

It is an arithmetic number, because the mean of its divisors is an integer number (800072).

Almost surely, 2^9969876 is an apocalyptic number.

It is an amenable number.

9969876 is an abundant number, since it is smaller than the sum of its proper divisors (18832716).

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

9969876 is a wasteful number, since it uses less digits than its factorization.

9969876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39580 (or 39575 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 9969876 is about 3157.5110451113. The cubic root of 9969876 is about 215.2269174421.

The spelling of 9969876 in words is "nine million, nine hundred sixty-nine thousand, eight hundred seventy-six".