2170580 has 12 divisors (see below), whose sum is σ = 4558260. Its totient is φ = 868224.

The previous prime is 2170573. The next prime is 2170583. The reversal of 2170580 is 850712.

2170580 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1507984 + 662596 = 1228^2 + 814^2 .

It is a super-2 number, since 2×2170580² = 9422835072800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54245 + ... + 54284.

It is an arithmetic number, because the mean of its divisors is an integer number (379855).

2^2170580 is an apocalyptic number.

2170580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2170580 is an abundant number, since it is smaller than the sum of its proper divisors (2387680).

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

2170580 is a wasteful number, since it uses less digits than its factorization.

2170580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108538 (or 108536 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 2170580 is about 1473.2888379405. The cubic root of 2170580 is about 129.4767925497.

The spelling of 2170580 in words is "two million, one hundred seventy thousand, five hundred eighty".