1966047 has 8 divisors (see below), whose sum is σ = 2633856. Its totient is φ = 1304472.

The previous prime is 1966043. The next prime is 1966049. The reversal of 1966047 is 7406691.

It is a happy number.

1966047 is nontrivially palindromic in base 8.

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

It is not a de Polignac number, because 1966047 - 2² = 1966043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1965999 and 1966017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1966043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 763 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (329232).

2^1966047 is an apocalyptic number.

1966047 is a deficient number, since it is larger than the sum of its proper divisors (667809).

1966047 is a wasteful number, since it uses less digits than its factorization.

1966047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1966047 is about 1402.1579796870. The cubic root of 1966047 is about 125.2750636094.

It can be divided in two parts, 19 and 66047, that added together give a palindrome (66066).

The spelling of 1966047 in words is "one million, nine hundred sixty-six thousand, forty-seven".