1966286 has 8 divisors (see below), whose sum is σ = 3370800. Its totient is φ = 842688.

The previous prime is 1966259. The next prime is 1966297. The reversal of 1966286 is 6826691.

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

It is a d-powerful number, because it can be written as 1 + 9⁴ + 6² + 6⁷ + 2⁷ + 8 + 6⁸ .

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70211 + ... + 70238.

It is an arithmetic number, because the mean of its divisors is an integer number (421350).

2^1966286 is an apocalyptic number.

1966286 is a deficient number, since it is larger than the sum of its proper divisors (1404514).

1966286 is a wasteful number, since it uses less digits than its factorization.

1966286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140458.

The product of its digits is 31104, while the sum is 38.

The square root of 1966286 is about 1402.2432028717. The cubic root of 1966286 is about 125.2801397050.

The spelling of 1966286 in words is "one million, nine hundred sixty-six thousand, two hundred eighty-six".