7988090 has 32 divisors (see below), whose sum is σ = 15863040. Its totient is φ = 2872000.

The previous prime is 7988089. The next prime is 7988093. The reversal of 7988090 is 908897.

It is not an unprimeable number, because it can be changed into a prime (7988093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10751 + ... + 11469.

It is an arithmetic number, because the mean of its divisors is an integer number (495720).

Almost surely, 2^7988090 is an apocalyptic number.

7988090 is a deficient number, since it is larger than the sum of its proper divisors (7874950).

7988090 is a wasteful number, since it uses less digits than its factorization.

7988090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 7988090 is about 2826.3209301139. The cubic root of 7988090 is about 199.9007007064.

It can be divided in two parts, 798 and 8090, that added together give a palindrome (8888).

The spelling of 7988090 in words is "seven million, nine hundred eighty-eight thousand, ninety".