9872380 has 48 divisors (see below), whose sum is σ = 23901696. Its totient is φ = 3355200.

The previous prime is 9872371. The next prime is 9872399. The reversal of 9872380 is 832789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20907 + ... + 21373.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

Almost surely, 2^9872380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9872380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11950848).

9872380 is an abundant number, since it is smaller than the sum of its proper divisors (14029316).

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

9872380 is a wasteful number, since it uses less digits than its factorization.

9872380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 9872380 is about 3142.0343728228. The cubic root of 9872380 is about 214.5230458301.

The spelling of 9872380 in words is "nine million, eight hundred seventy-two thousand, three hundred eighty".