2115580 has 24 divisors (see below), whose sum is σ = 4480560. Its totient is φ = 839040.

The previous prime is 2115571. The next prime is 2115629. The reversal of 2115580 is 855112.

2115580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400 + ... + 3160.

It is an arithmetic number, because the mean of its divisors is an integer number (186690).

2^2115580 is an apocalyptic number.

2115580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2115580 is an abundant number, since it is smaller than the sum of its proper divisors (2364980).

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

2115580 is a wasteful number, since it uses less digits than its factorization.

2115580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2115580 is about 1454.5033516634. The cubic root of 2115580 is about 128.3738257935.

The spelling of 2115580 in words is "two million, one hundred fifteen thousand, five hundred eighty".