8344040 has 32 divisors (see below), whose sum is σ = 19764000. Its totient is φ = 3161664.

The previous prime is 8344013. The next prime is 8344043. The reversal of 8344040 is 404438.

It is a junction number, because it is equal to n+sod(n) for n = 8343997 and 8344015.

It is not an unprimeable number, because it can be changed into a prime (8344043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4730 + ... + 6249.

It is an arithmetic number, because the mean of its divisors is an integer number (617625).

Almost surely, 2^8344040 is an apocalyptic number.

It is an amenable number.

8344040 is an abundant number, since it is smaller than the sum of its proper divisors (11419960).

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

8344040 is a wasteful number, since it uses less digits than its factorization.

8344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009 (or 11005 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 8344040 is about 2888.6051997461. The cubic root of 8344040 is about 202.8268561731.

Adding to 8344040 its reverse (404438), we get a palindrome (8748478).

The spelling of 8344040 in words is "eight million, three hundred forty-four thousand, forty".