8040004 has 24 divisors (see below), whose sum is σ = 16244928. Its totient is φ = 3410400.

The previous prime is 8039987. The next prime is 8040013. The reversal of 8040004 is 4000408.

8040004 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

8040004 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 8040004.

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, 1407 + ... + 4249.

It is an arithmetic number, because the mean of its divisors is an integer number (676872).

Almost surely, 2^8040004 is an apocalyptic number.

It is an amenable number.

8040004 is an abundant number, since it is smaller than the sum of its proper divisors (8204924).

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

8040004 is a wasteful number, since it uses less digits than its factorization.

8040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 8040004 is about 2835.4900810971. The cubic root of 8040004 is about 200.3328125385.

The spelling of 8040004 in words is "eight million, forty thousand, four".