1806055 has 4 divisors (see below), whose sum is σ = 2167272. Its totient is φ = 1444840.

The previous prime is 1806041. The next prime is 1806059. The reversal of 1806055 is 5506081.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1806055 - 2⁵ = 1806023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806059) 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, 180601 + ... + 180610.

It is an arithmetic number, because the mean of its divisors is an integer number (541818).

2^1806055 is an apocalyptic number.

1806055 is a deficient number, since it is larger than the sum of its proper divisors (361217).

1806055 is an equidigital number, since it uses as much as digits as its factorization.

1806055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361216.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1806055 is about 1343.8954572436. The cubic root of 1806055 is about 121.7802862644.

The spelling of 1806055 in words is "one million, eight hundred six thousand, fifty-five".