8520340 has 24 divisors (see below), whose sum is σ = 18006912. Its totient is φ = 3386400.

The previous prime is 8520331. The next prime is 8520353. The reversal of 8520340 is 430258.

8520340 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065 + ... + 4615.

It is an arithmetic number, because the mean of its divisors is an integer number (750288).

Almost surely, 2^8520340 is an apocalyptic number.

It is an amenable number.

8520340 is an abundant number, since it is smaller than the sum of its proper divisors (9486572).

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

8520340 is a wasteful number, since it uses less digits than its factorization.

8520340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2725 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 8520340 is about 2918.9621443246. The cubic root of 8520340 is about 204.2454114318.

Adding to 8520340 its reverse (430258), we get a palindrome (8950598).

The spelling of 8520340 in words is "eight million, five hundred twenty thousand, three hundred forty".