2611860 has 48 divisors (see below), whose sum is σ = 7402752. Its totient is φ = 688000.

The previous prime is 2611859. The next prime is 2611879. The reversal of 2611860 is 681162.

2611860 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2611860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5845 + ... + 6275.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

2^2611860 is an apocalyptic number.

2611860 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 2611860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3701376).

2611860 is an abundant number, since it is smaller than the sum of its proper divisors (4790892).

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

2611860 is a wasteful number, since it uses less digits than its factorization.

2611860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2611860 is about 1616.1249951659. The cubic root of 2611860 is about 137.7156505844.

The spelling of 2611860 in words is "two million, six hundred eleven thousand, eight hundred sixty".