8750920 has 48 divisors (see below), whose sum is σ = 20943540. Its totient is φ = 3290112.

The previous prime is 8750893. The next prime is 8750921. The reversal of 8750920 is 290578.

It can be written as a sum of positive squares in 6 ways, for example, as 6728836 + 2022084 = 2594^2 + 1422^2 .

It is not an unprimeable number, because it can be changed into a prime (8750921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11182 + ... + 11938.

Almost surely, 2^8750920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8750920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10471770).

8750920 is an abundant number, since it is smaller than the sum of its proper divisors (12192620).

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

8750920 is a wasteful number, since it uses less digits than its factorization.

8750920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 781 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 8750920 is about 2958.1953958452. The cubic root of 8750920 is about 206.0714867992.

The spelling of 8750920 in words is "eight million, seven hundred fifty thousand, nine hundred twenty".