1820682 has 12 divisors (see below), whose sum is σ = 3944850. Its totient is φ = 606888.

The previous prime is 1820677. The next prime is 1820699. The reversal of 1820682 is 2860281.

It can be written as a sum of positive squares in only one way, i.e., 938961 + 881721 = 969^2 + 939^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50557 + ... + 50592.

2^1820682 is an apocalyptic number.

1820682 is an abundant number, since it is smaller than the sum of its proper divisors (2124168).

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

1820682 is a wasteful number, since it uses less digits than its factorization.

1820682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101157 (or 101154 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1820682 is about 1349.3264986652. The cubic root of 1820682 is about 122.1081635039.

The spelling of 1820682 in words is "one million, eight hundred twenty thousand, six hundred eighty-two".