1680027 has 8 divisors (see below), whose sum is σ = 2250816. Its totient is φ = 1114632.

The previous prime is 1680023. The next prime is 1680071. The reversal of 1680027 is 7200861.

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

It is not a de Polignac number, because 1680027 - 2² = 1680023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1679979 and 1680006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1680023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 1914.

It is an arithmetic number, because the mean of its divisors is an integer number (281352).

2^1680027 is an apocalyptic number.

1680027 is a deficient number, since it is larger than the sum of its proper divisors (570789).

1680027 is a wasteful number, since it uses less digits than its factorization.

1680027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 1680027 is about 1296.1585551158. The cubic root of 1680027 is about 118.8790759006.

Adding to 1680027 its reverse (7200861), we get a palindrome (8880888).

The spelling of 1680027 in words is "one million, six hundred eighty thousand, twenty-seven".