1682663 has 2 divisors, whose sum is σ = 1682664. Its totient is φ = 1682662.

The previous prime is 1682627. The next prime is 1682669. The reversal of 1682663 is 3662861.

It is a strong prime.

It is an emirp because it is prime and its reverse (3662861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1682663 - 2⁸ = 1682407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1682669) 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 as a sum of consecutive naturals, namely, 841331 + 841332.

It is an arithmetic number, because the mean of its divisors is an integer number (841332).

2^1682663 is an apocalyptic number.

1682663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1682663 is an equidigital number, since it uses as much as digits as its factorization.

1682663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 32.

The square root of 1682663 is about 1297.1750074682. The cubic root of 1682663 is about 118.9412180556.

Adding to 1682663 its sum of digits (32), we get a triangular number (1682695 = T₁₈₃₄).

The spelling of 1682663 in words is "one million, six hundred eighty-two thousand, six hundred sixty-three".