8540540 has 24 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 3385088.

The previous prime is 8540537. The next prime is 8540551. The reversal of 8540540 is 450458.

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, 371 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^8540540 is an apocalyptic number.

It is an amenable number.

8540540 is an abundant number, since it is smaller than the sum of its proper divisors (9558100).

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

8540540 is a wasteful number, since it uses less digits than its factorization.

8540540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3899 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 8540540 is about 2922.4202298780. The cubic root of 8540540 is about 204.4066922083.

Adding to 8540540 its reverse (450458), we get a palindrome (8990998).

The spelling of 8540540 in words is "eight million, five hundred forty thousand, five hundred forty".