8620560 has 160 divisors (see below), whose sum is σ = 32081280. Its totient is φ = 2115072.

The previous prime is 8620553. The next prime is 8620567. The reversal of 8620560 is 650268.

8620560 is a `hidden beast` number, since 86 + 20 + 560 = 666.

It is an interprime number because it is at equal distance from previous prime (8620553) and next prime (8620567).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8620567) 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 31 ways as a sum of consecutive naturals, for example, 27927 + ... + 28233.

It is an arithmetic number, because the mean of its divisors is an integer number (200508).

Almost surely, 2^8620560 is an apocalyptic number.

8620560 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 8620560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16040640).

8620560 is an abundant number, since it is smaller than the sum of its proper divisors (23460720).

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

8620560 is a wasteful number, since it uses less digits than its factorization.

8620560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8620560 is about 2936.0790180102. The cubic root of 8620560 is about 205.0431001981.

It can be divided in two parts, 8620 and 560, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 8620560 in words is "eight million, six hundred twenty thousand, five hundred sixty".