1806876 has 36 divisors (see below), whose sum is σ = 4658472. Its totient is φ = 590304.

The previous prime is 1806869. The next prime is 1806877. The reversal of 1806876 is 6786081.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1806876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1435 + ... + 2381.

It is an arithmetic number, because the mean of its divisors is an integer number (129402).

2^1806876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1806876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2329236).

1806876 is an abundant number, since it is smaller than the sum of its proper divisors (2851596).

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

1806876 is a wasteful number, since it uses less digits than its factorization.

1806876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1806876 is about 1344.2008778453. The cubic root of 1806876 is about 121.7987365089.

It can be divided in two parts, 180 and 6876, that added together give a square (7056 = 84²).

The spelling of 1806876 in words is "one million, eight hundred six thousand, eight hundred seventy-six".