1804206 has 16 divisors (see below), whose sum is σ = 3733200. Its totient is φ = 580608.

The previous prime is 1804199. The next prime is 1804207. The reversal of 1804206 is 6024081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1804207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5011 + ... + 5358.

It is an arithmetic number, because the mean of its divisors is an integer number (233325).

2^1804206 is an apocalyptic number.

1804206 is an abundant number, since it is smaller than the sum of its proper divisors (1928994).

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

1804206 is a wasteful number, since it uses less digits than its factorization.

1804206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1804206 is about 1343.2073555487. The cubic root of 1804206 is about 121.7387134007.

Adding to 1804206 its reverse (6024081), we get a palindrome (7828287).

The spelling of 1804206 in words is "one million, eight hundred four thousand, two hundred six".