1808282 has 16 divisors (see below), whose sum is σ = 3119040. Its totient is φ = 770208.

The previous prime is 1808281. The next prime is 1808293. The reversal of 1808282 is 2828081.

It is not an unprimeable number, because it can be changed into a prime (1808281) 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, 2894 + ... + 3462.

It is an arithmetic number, because the mean of its divisors is an integer number (194940).

2^1808282 is an apocalyptic number.

1808282 is a deficient number, since it is larger than the sum of its proper divisors (1310758).

1808282 is a wasteful number, since it uses less digits than its factorization.

1808282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1808282 is about 1344.7237634548. The cubic root of 1808282 is about 121.8303204184.

The spelling of 1808282 in words is "one million, eight hundred eight thousand, two hundred eighty-two".