1687327 has 2 divisors, whose sum is σ = 1687328. Its totient is φ = 1687326.

The previous prime is 1687319. The next prime is 1687331. The reversal of 1687327 is 7237861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1687327 - 2³ = 1687319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1687292 and 1687301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1687627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 843663 + 843664.

It is an arithmetic number, because the mean of its divisors is an integer number (843664).

2^1687327 is an apocalyptic number.

1687327 is a deficient number, since it is larger than the sum of its proper divisors (1).

1687327 is an equidigital number, since it uses as much as digits as its factorization.

1687327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 1687327 is about 1298.9715162389. The cubic root of 1687327 is about 119.0510103085.

It can be divided in two parts, 16873 and 27, that added together give a square (16900 = 130²).

The spelling of 1687327 in words is "one million, six hundred eighty-seven thousand, three hundred twenty-seven".