8089440 has 96 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 2041344.

The previous prime is 8089409. The next prime is 8089451. The reversal of 8089440 is 449808.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8677 + ... + 9563.

It is an arithmetic number, because the mean of its divisors is an integer number (279720).

Almost surely, 2^8089440 is an apocalyptic number.

8089440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8089440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13426560).

8089440 is an abundant number, since it is smaller than the sum of its proper divisors (18763680).

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

8089440 is a wasteful number, since it uses less digits than its factorization.

8089440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 8089440 is about 2844.1940862044. The cubic root of 8089440 is about 200.7425728489.

The spelling of 8089440 in words is "eight million, eighty-nine thousand, four hundred forty".