8056840 has 32 divisors (see below), whose sum is σ = 19776960. Its totient is φ = 2929600.

The previous prime is 8056837. The next prime is 8056843. The reversal of 8056840 is 486508.

It is an interprime number because it is at equal distance from previous prime (8056837) and next prime (8056843).

It is not an unprimeable number, because it can be changed into a prime (8056843) 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, 8716 + ... + 9595.

It is an arithmetic number, because the mean of its divisors is an integer number (618030).

Almost surely, 2^8056840 is an apocalyptic number.

It is an amenable number.

8056840 is an abundant number, since it is smaller than the sum of its proper divisors (11720120).

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

8056840 is a wasteful number, since it uses less digits than its factorization.

8056840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18333 (or 18329 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 8056840 is about 2838.4573274932. The cubic root of 8056840 is about 200.4725492732.

It can be divided in two parts, 80568 and 40, that added together give a palindrome (80608).

The spelling of 8056840 in words is "eight million, fifty-six thousand, eight hundred forty".