1668794 has 8 divisors (see below), whose sum is σ = 2519040. Its totient is φ = 829116.

The previous prime is 1668791. The next prime is 1668803. The reversal of 1668794 is 4978661.

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

It is not an unprimeable number, because it can be changed into a prime (1668791) 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 in 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 2885.

It is an arithmetic number, because the mean of its divisors is an integer number (314880).

2^1668794 is an apocalyptic number.

1668794 is a deficient number, since it is larger than the sum of its proper divisors (850246).

1668794 is a wasteful number, since it uses less digits than its factorization.

1668794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284.

The product of its digits is 72576, while the sum is 41.

The square root of 1668794 is about 1291.8180986501. The cubic root of 1668794 is about 118.6135333536.

The spelling of 1668794 in words is "one million, six hundred sixty-eight thousand, seven hundred ninety-four".