2764609 has 2 divisors, whose sum is σ = 2764610. Its totient is φ = 2764608.

The previous prime is 2764579. The next prime is 2764637. The reversal of 2764609 is 9064672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1960000 + 804609 = 1400^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 2764609 - 2¹¹ = 2762561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2764649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382304 + 1382305.

It is an arithmetic number, because the mean of its divisors is an integer number (1382305).

2^2764609 is an apocalyptic number.

It is an amenable number.

2764609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2764609 is an equidigital number, since it uses as much as digits as its factorization.

2764609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2764609 is about 1662.7113399505. The cubic root of 2764609 is about 140.3496193726.

The spelling of 2764609 in words is "two million, seven hundred sixty-four thousand, six hundred nine".