2967649 has 2 divisors, whose sum is σ = 2967650. Its totient is φ = 2967648.

The previous prime is 2967647. The next prime is 2967689. The reversal of 2967649 is 9467692.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 937024 = 1425^2 + 968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2967649 - 2¹ = 2967647 is a prime.

Together with 2967647, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2²¹ + 9 + 6³ + 7⁷ + 6⁶ + 4³ + 9 .

It is not a weakly prime, because it can be changed into another prime (2967647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1483824 + 1483825.

It is an arithmetic number, because the mean of its divisors is an integer number (1483825).

2^2967649 is an apocalyptic number.

It is an amenable number.

2967649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2967649 is an equidigital number, since it uses as much as digits as its factorization.

2967649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296, while the sum is 43.

The square root of 2967649 is about 1722.6865646426. The cubic root of 2967649 is about 143.7046576591.

Adding to 2967649 its sum of digits (43), we get a palindrome (2967692).

The spelling of 2967649 in words is "two million, nine hundred sixty-seven thousand, six hundred forty-nine".