1806696 has 48 divisors (see below), whose sum is σ = 5110560. Its totient is φ = 575520.

The previous prime is 1806689. The next prime is 1806697. The reversal of 1806696 is 6966081.

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 1806696.

It is not an unprimeable number, because it can be changed into a prime (1806697) 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, 1111 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (106470).

2^1806696 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 1806696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2555280).

1806696 is an abundant number, since it is smaller than the sum of its proper divisors (3303864).

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

1806696 is a wasteful number, since it uses less digits than its factorization.

1806696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1119 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1806696 is about 1344.1339218992. The cubic root of 1806696 is about 121.7946918667.

The spelling of 1806696 in words is "one million, eight hundred six thousand, six hundred ninety-six".