8404008 has 32 divisors (see below), whose sum is σ = 21224160. Its totient is φ = 2772800.

The previous prime is 8403977. The next prime is 8404013. The reversal of 8404008 is 8004048.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691 + ... + 4157.

It is an arithmetic number, because the mean of its divisors is an integer number (663255).

Almost surely, 2^8404008 is an apocalyptic number.

It is an amenable number.

8404008 is an abundant number, since it is smaller than the sum of its proper divisors (12820152).

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

8404008 is a wasteful number, since it uses less digits than its factorization.

8404008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3573 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 8404008 is about 2898.9667124684. The cubic root of 8404008 is about 203.3115973063.

The spelling of 8404008 in words is "eight million, four hundred four thousand, eight".