8088989 has 6 divisors (see below), whose sum is σ = 8198046. Its totient is φ = 7980600.

The previous prime is 8088973. The next prime is 8089001. The reversal of 8088989 is 9898808.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 80089 = 2830^2 + 283^2 .

It is not a de Polignac number, because 8088989 - 2⁴ = 8088973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8088929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28442 + ... + 28724.

It is an arithmetic number, because the mean of its divisors is an integer number (1366341).

Almost surely, 2^8088989 is an apocalyptic number.

It is an amenable number.

8088989 is a deficient number, since it is larger than the sum of its proper divisors (109057).

8088989 is an equidigital number, since it uses as much as digits as its factorization.

8088989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The square root of 8088989 is about 2844.1148007772. The cubic root of 8088989 is about 200.7388422000.

The spelling of 8088989 in words is "eight million, eighty-eight thousand, nine hundred eighty-nine".