1668027 has 8 divisors (see below), whose sum is σ = 2244880. Its totient is φ = 1101600.

The previous prime is 1668019. The next prime is 1668031. The reversal of 1668027 is 7208661.

It is a happy number.

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

It is not a de Polignac number, because 1668027 - 2³ = 1668019 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1667985 and 1668003.

It is not an unprimeable number, because it can be changed into a prime (1668427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2224 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (280610).

2^1668027 is an apocalyptic number.

1668027 is a deficient number, since it is larger than the sum of its proper divisors (576853).

1668027 is a wasteful number, since it uses less digits than its factorization.

1668027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1668027 is about 1291.5211961095. The cubic root of 1668027 is about 118.5953584477.

The spelling of 1668027 in words is "one million, six hundred sixty-eight thousand, twenty-seven".