1800082 has 8 divisors (see below), whose sum is σ = 2707200. Its totient is φ = 897684.

The previous prime is 1800067. The next prime is 1800083. The reversal of 1800082 is 2800081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1800082 is a modest number, since divided by 82 gives 18 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1800083) 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 3 ways as a sum of consecutive naturals, for example, 19 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (338400).

2^1800082 is an apocalyptic number.

1800082 is a deficient number, since it is larger than the sum of its proper divisors (907118).

1800082 is a wasteful number, since it uses less digits than its factorization.

1800082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1800082 is about 1341.6713457475. The cubic root of 1800082 is about 121.6458870707.

Subtracting 1800082 from its reverse (2800081), we obtain a palindrome (999999).

The spelling of 1800082 in words is "one million, eight hundred thousand, eighty-two".