2107860 has 72 divisors (see below), whose sum is σ = 6360480. Its totient is φ = 520128.

The previous prime is 2107849. The next prime is 2107867. The reversal of 2107860 is 687012.

It is a self number, because there is not a number n which added to its sum of digits gives 2107860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48999 + ... + 49041.

It is an arithmetic number, because the mean of its divisors is an integer number (88340).

2^2107860 is an apocalyptic number.

2107860 is a gapful number since it is divisible by the number (20) 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 2107860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3180240).

2107860 is an abundant number, since it is smaller than the sum of its proper divisors (4252620).

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

2107860 is a wasteful number, since it uses less digits than its factorization.

2107860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2107860 is about 1451.8470993875. The cubic root of 2107860 is about 128.2174850790.

The spelling of 2107860 in words is "two million, one hundred seven thousand, eight hundred sixty".