8390804 has 12 divisors (see below), whose sum is σ = 14767200. Its totient is φ = 4171608.

The previous prime is 8390783. The next prime is 8390819. The reversal of 8390804 is 4080938.

It is a d-powerful number, because it can be written as 8⁷ + 3⁷ + 9 + 0 + 8⁷ + 0 + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5144 + ... + 6575.

It is an arithmetic number, because the mean of its divisors is an integer number (1230600).

Almost surely, 2^8390804 is an apocalyptic number.

It is an amenable number.

8390804 is a deficient number, since it is larger than the sum of its proper divisors (6376396).

8390804 is a wasteful number, since it uses less digits than its factorization.

8390804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11902 (or 11900 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8390804 is about 2896.6884540799. The cubic root of 8390804 is about 203.2050634756.

The spelling of 8390804 in words is "eight million, three hundred ninety thousand, eight hundred four".