1668334 has 8 divisors (see below), whose sum is σ = 2549880. Its totient is φ = 818376.

The previous prime is 1668323. The next prime is 1668347. The reversal of 1668334 is 4338661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1668296 and 1668305.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7764 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (318735).

2^1668334 is an apocalyptic number.

1668334 is a deficient number, since it is larger than the sum of its proper divisors (881546).

1668334 is a wasteful number, since it uses less digits than its factorization.

1668334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15794.

The product of its digits is 10368, while the sum is 31.

The square root of 1668334 is about 1291.6400427364. The cubic root of 1668334 is about 118.6026338179.

It can be divided in two parts, 1668 and 334, that added together give a palindrome (2002).

The spelling of 1668334 in words is "one million, six hundred sixty-eight thousand, three hundred thirty-four".