2066449 has 16 divisors (see below), whose sum is σ = 2635776. Its totient is φ = 1573200.

The previous prime is 2066447. The next prime is 2066461. The reversal of 2066449 is 9446602.

It is a cyclic number.

It is not a de Polignac number, because 2066449 - 2¹ = 2066447 is a prime.

It is a super-2 number, since 2×2066449² = 8540422939202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2066449.

It is not an unprimeable number, because it can be changed into a prime (2066443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334 + ... + 3904.

It is an arithmetic number, because the mean of its divisors is an integer number (164736).

2^2066449 is an apocalyptic number.

It is an amenable number.

2066449 is a deficient number, since it is larger than the sum of its proper divisors (569327).

2066449 is a wasteful number, since it uses less digits than its factorization.

2066449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2066449 is about 1437.5148694883. The cubic root of 2066449 is about 127.3722724461.

The spelling of 2066449 in words is "two million, sixty-six thousand, four hundred forty-nine".