3006649 has 2 divisors, whose sum is σ = 3006650. Its totient is φ = 3006648.

The previous prime is 3006631. The next prime is 3006667. The reversal of 3006649 is 9466003.

It is a balanced prime because it is at equal distance from previous prime (3006631) and next prime (3006667).

It can be written as a sum of positive squares in only one way, i.e., 2433600 + 573049 = 1560^2 + 757^2 .

It is an emirp because it is prime and its reverse (9466003) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3006649 - 2¹⁵ = 2973881 is a prime.

It is not a weakly prime, because it can be changed into another prime (3066649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503324 + 1503325.

It is an arithmetic number, because the mean of its divisors is an integer number (1503325).

Almost surely, 2^3006649 is an apocalyptic number.

It is an amenable number.

3006649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3006649 is an equidigital number, since it uses as much as digits as its factorization.

3006649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3006649 is about 1733.9691462076. The cubic root of 3006649 is about 144.3314286039.

It can be divided in two parts, 3006 and 649, that added together give a triangular number (3655 = T₈₅).

The spelling of 3006649 in words is "three million, six thousand, six hundred forty-nine".