9847440 has 160 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 2543616.

The previous prime is 9847417. The next prime is 9847451. The reversal of 9847440 is 447489.

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

It is a junction number, because it is equal to n+sod(n) for n = 9847395 and 9847404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101472 + ... + 101568.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^9847440 is an apocalyptic number.

9847440 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 9847440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

9847440 is an abundant number, since it is smaller than the sum of its proper divisors (25150320).

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

9847440 is a wasteful number, since it uses less digits than its factorization.

9847440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 9847440 is about 3138.0630968800. The cubic root of 9847440 is about 214.3422479409.

The spelling of 9847440 in words is "nine million, eight hundred forty-seven thousand, four hundred forty".