9876220 has 12 divisors (see below), whose sum is σ = 20740104. Its totient is φ = 3950480.

The previous prime is 9876161. The next prime is 9876271. The reversal of 9876220 is 226789.

It is a nialpdrome in base 10.

It is a congruent number.

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, 246886 + ... + 246925.

It is an arithmetic number, because the mean of its divisors is an integer number (1728342).

Almost surely, 2^9876220 is an apocalyptic number.

It is an amenable number.

9876220 is an abundant number, since it is smaller than the sum of its proper divisors (10863884).

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

9876220 is a wasteful number, since it uses less digits than its factorization.

9876220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493820 (or 493818 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 9876220 is about 3142.6453824764. The cubic root of 9876220 is about 214.5508561357.

The spelling of 9876220 in words is "nine million, eight hundred seventy-six thousand, two hundred twenty".