1682885 has 4 divisors (see below), whose sum is σ = 2019468. Its totient is φ = 1346304.

The previous prime is 1682867. The next prime is 1682893. The reversal of 1682885 is 5882861.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 638401 + 1044484 = 799^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 1682885 - 2¹⁶ = 1617349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168284 + ... + 168293.

It is an arithmetic number, because the mean of its divisors is an integer number (504867).

2^1682885 is an apocalyptic number.

It is an amenable number.

1682885 is a deficient number, since it is larger than the sum of its proper divisors (336583).

1682885 is an equidigital number, since it uses as much as digits as its factorization.

1682885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336582.

The product of its digits is 30720, while the sum is 38.

The square root of 1682885 is about 1297.2605752122. The cubic root of 1682885 is about 118.9464486116.

The spelling of 1682885 in words is "one million, six hundred eighty-two thousand, eight hundred eighty-five".