8494440 has 64 divisors (see below), whose sum is σ = 25868160. Its totient is φ = 2231040.

The previous prime is 8494439. The next prime is 8494457. The reversal of 8494440 is 444948.

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, 8022 + ... + 9018.

It is an arithmetic number, because the mean of its divisors is an integer number (404190).

Almost surely, 2^8494440 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 8494440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12934080).

8494440 is an abundant number, since it is smaller than the sum of its proper divisors (17373720).

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

8494440 is a wasteful number, since it uses less digits than its factorization.

8494440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082 (or 1078 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 8494440 is about 2914.5222593077. The cubic root of 8494440 is about 204.0382473462.

The spelling of 8494440 in words is "eight million, four hundred ninety-four thousand, four hundred forty".