8089040 has 20 divisors (see below), whose sum is σ = 18807204. Its totient is φ = 3235584.

The previous prime is 8089033. The next prime is 8089043. The reversal of 8089040 is 409808.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 6990736 = 1048^2 + 2644^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 8088994 and 8089012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8089043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50477 + ... + 50636.

Almost surely, 2^8089040 is an apocalyptic number.

8089040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8089040 is an abundant number, since it is smaller than the sum of its proper divisors (10718164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8089040 is a wasteful number, since it uses less digits than its factorization.

8089040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101126 (or 101120 counting only the distinct ones).

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

The square root of 8089040 is about 2844.1237666459. The cubic root of 8089040 is about 200.7392640763.

The spelling of 8089040 in words is "eight million, eighty-nine thousand, forty".