1066847 has 2 divisors, whose sum is σ = 1066848. Its totient is φ = 1066846.

The previous prime is 1066817. The next prime is 1066859. The reversal of 1066847 is 7486601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066847 - 2¹⁶ = 1001311 is a prime.

It is a super-2 number, since 2×1066847² = 2276325042818, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533423 + 533424.

It is an arithmetic number, because the mean of its divisors is an integer number (533424).

2^1066847 is an apocalyptic number.

1066847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066847 is an equidigital number, since it uses as much as digits as its factorization.

1066847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1066847 is about 1032.8828587986. The cubic root of 1066847 is about 102.1803486253.

The spelling of 1066847 in words is "one million, sixty-six thousand, eight hundred forty-seven".