8120860 has 24 divisors (see below), whose sum is σ = 18604656. Its totient is φ = 2952960.

The previous prime is 8120843. The next prime is 8120867. The reversal of 8120860 is 680218.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8120867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18237 + ... + 18676.

It is an arithmetic number, because the mean of its divisors is an integer number (775194).

Almost surely, 2^8120860 is an apocalyptic number.

It is an amenable number.

8120860 is an abundant number, since it is smaller than the sum of its proper divisors (10483796).

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

8120860 is a wasteful number, since it uses less digits than its factorization.

8120860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36933 (or 36931 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 8120860 is about 2849.7122661771. The cubic root of 8120860 is about 201.0021368881.

The spelling of 8120860 in words is "eight million, one hundred twenty thousand, eight hundred sixty".