8090090 has 16 divisors (see below), whose sum is σ = 14594688. Its totient is φ = 3228816.

The previous prime is 8090083. The next prime is 8090099. The reversal of 8090090 is 900908.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8090099) 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, 7739 + ... + 8721.

It is an arithmetic number, because the mean of its divisors is an integer number (912168).

Almost surely, 2^8090090 is an apocalyptic number.

8090090 is a deficient number, since it is larger than the sum of its proper divisors (6504598).

8090090 is a wasteful number, since it uses less digits than its factorization.

8090090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 8090090 is about 2844.3083517790. The cubic root of 8090090 is about 200.7479493718.

Adding to 8090090 its reverse (900908), we get a palindrome (8990998).

The spelling of 8090090 in words is "eight million, ninety thousand, ninety".