9876420 has 36 divisors (see below), whose sum is σ = 29959020. Its totient is φ = 2633664.

The previous prime is 9876413. The next prime is 9876437. The reversal of 9876420 is 246789.

9876420 is a `hidden beast` number, since 9 + 8 + 7 + 642 + 0 = 666.

9876420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 7750656 = 1458^2 + 2784^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 10.

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, 27255 + ... + 27614.

It is an arithmetic number, because the mean of its divisors is an integer number (832195).

Almost surely, 2^9876420 is an apocalyptic number.

9876420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9876420 is an abundant number, since it is smaller than the sum of its proper divisors (20082600).

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

9876420 is a wasteful number, since it uses less digits than its factorization.

9876420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54884 (or 54879 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 9876420 is about 3142.6772026411. The cubic root of 9876420 is about 214.5523043916.

It can be divided in two parts, 9876 and 420, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 9876420 in words is "nine million, eight hundred seventy-six thousand, four hundred twenty".