8789040 has 160 divisors (see below), whose sum is σ = 32706240. Its totient is φ = 2156544.

The previous prime is 8789021. The next prime is 8789041. The reversal of 8789040 is 409878.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8788986 and 8789004.

It is not an unprimeable number, because it can be changed into a prime (8789041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27924 + ... + 28236.

It is an arithmetic number, because the mean of its divisors is an integer number (204414).

Almost surely, 2^8789040 is an apocalyptic number.

8789040 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 8789040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16353120).

8789040 is an abundant number, since it is smaller than the sum of its proper divisors (23917200).

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

8789040 is a wasteful number, since it uses less digits than its factorization.

8789040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 8789040 is about 2964.6315116722. The cubic root of 8789040 is about 206.3702769530.

The spelling of 8789040 in words is "eight million, seven hundred eighty-nine thousand, forty".