2130860 has 12 divisors (see below), whose sum is σ = 4474848. Its totient is φ = 852336.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130860 is 680312.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 106543 = 2130860 / (2 + 1 + 3 + 0 + 8 + 6 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53252 + ... + 53291.

It is an arithmetic number, because the mean of its divisors is an integer number (372904).

2^2130860 is an apocalyptic number.

2130860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130860 is an abundant number, since it is smaller than the sum of its proper divisors (2343988).

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

2130860 is a wasteful number, since it uses less digits than its factorization.

2130860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106552 (or 106550 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2130860 is about 1459.7465533441. The cubic root of 2130860 is about 128.6821491864.

The spelling of 2130860 in words is "two million, one hundred thirty thousand, eight hundred sixty".