2049629 has 2 divisors, whose sum is σ = 2049630. Its totient is φ = 2049628.

The previous prime is 2049617. The next prime is 2049643. The reversal of 2049629 is 9269402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243225 + 806404 = 1115^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049629 - 2⁴ = 2049613 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2049595 and 2049604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049659) 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 as a sum of consecutive naturals, namely, 1024814 + 1024815.

It is an arithmetic number, because the mean of its divisors is an integer number (1024815).

2^2049629 is an apocalyptic number.

It is an amenable number.

2049629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049629 is an equidigital number, since it uses as much as digits as its factorization.

2049629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2049629 is about 1431.6525416455. The cubic root of 2049629 is about 127.0257454987.

It can be divided in two parts, 2049 and 629, that multiplied together give a palindrome (1288821).

The spelling of 2049629 in words is "two million, forty-nine thousand, six hundred twenty-nine".