1941666 has 16 divisors (see below), whose sum is σ = 4017600. Its totient is φ = 624848.

The previous prime is 1941659. The next prime is 1941671. The reversal of 1941666 is 6661491.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 7.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

2^1941666 is an apocalyptic number.

1941666 is an abundant number, since it is smaller than the sum of its proper divisors (2075934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1941666 is a wasteful number, since it uses less digits than its factorization.

1941666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193.

The product of its digits is 7776, while the sum is 33.

The square root of 1941666 is about 1393.4367585219. The cubic root of 1941666 is about 124.7550616886.

The spelling of 1941666 in words is "one million, nine hundred forty-one thousand, six hundred sixty-six".