9447876 has 72 divisors (see below), whose sum is σ = 25271064. Its totient is φ = 2972160.

The previous prime is 9447859. The next prime is 9447887. The reversal of 9447876 is 6787449.

It can be written as a sum of positive squares in 4 ways, for example, as 2822400 + 6625476 = 1680^2 + 2574^2 .

It is a super-2 number, since 2×9447876² = 178524721822752, which contains 22 as substring.

Its product of digits (338688) is a multiple of the sum of its prime divisors (256).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54526 + ... + 54698.

It is an arithmetic number, because the mean of its divisors is an integer number (350987).

Almost surely, 2^9447876 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 9447876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12635532).

9447876 is an abundant number, since it is smaller than the sum of its proper divisors (15823188).

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

9447876 is a wasteful number, since it uses less digits than its factorization.

9447876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 256 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 9447876 is about 3073.7397417478. The cubic root of 9447876 is about 211.4031211322.

The spelling of 9447876 in words is "nine million, four hundred forty-seven thousand, eight hundred seventy-six".