8750240 has 48 divisors (see below), whose sum is σ = 21895272. Its totient is φ = 3293184.

The previous prime is 8750239. The next prime is 8750243. The reversal of 8750240 is 420578.

It can be written as a sum of positive squares in 4 ways, for example, as 8690704 + 59536 = 2948^2 + 244^2 .

It is not an unprimeable number, because it can be changed into a prime (8750243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1112 + ... + 4328.

Almost surely, 2^8750240 is an apocalyptic number.

8750240 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 8750240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10947636).

8750240 is an abundant number, since it is smaller than the sum of its proper divisors (13145032).

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

8750240 is a wasteful number, since it uses less digits than its factorization.

8750240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 8750240 is about 2958.0804586759. The cubic root of 8750240 is about 206.0661489893.

The spelling of 8750240 in words is "eight million, seven hundred fifty thousand, two hundred forty".