8540812 has 12 divisors (see below), whose sum is σ = 17081680. Its totient is φ = 3660336.

The previous prime is 8540809. The next prime is 8540839. The reversal of 8540812 is 2180458.

8540812 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 305029 = 8540812 / (8 + 5 + 4 + 0 + 8 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152487 + ... + 152542.

Almost surely, 2^8540812 is an apocalyptic number.

It is an amenable number.

8540812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8540812 is a wasteful number, since it uses less digits than its factorization.

8540812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305040 (or 305038 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8540812 is about 2922.4667662781. The cubic root of 8540812 is about 204.4088621737.

The spelling of 8540812 in words is "eight million, five hundred forty thousand, eight hundred twelve".