9713880 has 144 divisors (see below), whose sum is σ = 34856640. Its totient is φ = 2344320.

The previous prime is 9713863. The next prime is 9713887. The reversal of 9713880 is 883179.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9713887) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 43449 + ... + 43671.

It is an arithmetic number, because the mean of its divisors is an integer number (242060).

Almost surely, 2^9713880 is an apocalyptic number.

9713880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9713880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428320).

9713880 is an abundant number, since it is smaller than the sum of its proper divisors (25142760).

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

9713880 is a wasteful number, since it uses less digits than its factorization.

9713880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 9713880 is about 3116.7098036230. The cubic root of 9713880 is about 213.3687983574.

It can be divided in two parts, 971 and 3880, that added together give a triangular number (4851 = T₉₈).

The spelling of 9713880 in words is "nine million, seven hundred thirteen thousand, eight hundred eighty".