8004890 has 16 divisors (see below), whose sum is σ = 15167520. Its totient is φ = 3033360.

The previous prime is 8004889. The next prime is 8004901. The reversal of 8004890 is 984008.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20876 + ... + 21255.

It is an arithmetic number, because the mean of its divisors is an integer number (947970).

Almost surely, 2^8004890 is an apocalyptic number.

8004890 is a deficient number, since it is larger than the sum of its proper divisors (7162630).

8004890 is a wasteful number, since it uses less digits than its factorization.

8004890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42157.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 8004890 is about 2829.2914307296. The cubic root of 8004890 is about 200.0407417000.

Adding to 8004890 its reverse (984008), we get a palindrome (8988898).

The spelling of 8004890 in words is "eight million, four thousand, eight hundred ninety".