1808230 has 32 divisors (see below), whose sum is σ = 3548160. Its totient is φ = 660960.

The previous prime is 1808207. The next prime is 1808243. The reversal of 1808230 is 328081.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5737 + ... + 6043.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1808230 is an apocalyptic number.

1808230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1808230 is a deficient number, since it is larger than the sum of its proper divisors (1739930).

1808230 is a wasteful number, since it uses less digits than its factorization.

1808230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1808230 is about 1344.7044284898. The cubic root of 1808230 is about 121.8291525995.

The spelling of 1808230 in words is "one million, eight hundred eight thousand, two hundred thirty".