2066247 has 6 divisors (see below), whose sum is σ = 2984592. Its totient is φ = 1377492.

The previous prime is 2066219. The next prime is 2066249. The reversal of 2066247 is 7426602.

It is not a de Polignac number, because 2066247 - 2⁸ = 2065991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2066247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066249) 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 5 ways as a sum of consecutive naturals, for example, 114783 + ... + 114800.

It is an arithmetic number, because the mean of its divisors is an integer number (497432).

2^2066247 is an apocalyptic number.

2066247 is a deficient number, since it is larger than the sum of its proper divisors (918345).

2066247 is a wasteful number, since it uses less digits than its factorization.

2066247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229589 (or 229586 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 2066247 is about 1437.4446076284. Note that the first 3 decimals coincide. The cubic root of 2066247 is about 127.3681220029.

The spelling of 2066247 in words is "two million, sixty-six thousand, two hundred forty-seven".