1806244 has 12 divisors (see below), whose sum is σ = 3448368. Its totient is φ = 821000.

The previous prime is 1806241. The next prime is 1806247. The reversal of 1806244 is 4426081.

It is an interprime number because it is at equal distance from previous prime (1806241) and next prime (1806247).

It is not an unprimeable number, because it can be changed into a prime (1806241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20482 + ... + 20569.

It is an arithmetic number, because the mean of its divisors is an integer number (287364).

2^1806244 is an apocalyptic number.

It is an amenable number.

1806244 is a deficient number, since it is larger than the sum of its proper divisors (1642124).

1806244 is a wasteful number, since it uses less digits than its factorization.

1806244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41066 (or 41064 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 1806244 is about 1343.9657733737. The cubic root of 1806244 is about 121.7845341363.

The spelling of 1806244 in words is "one million, eight hundred six thousand, two hundred forty-four".