3627649 has 2 divisors, whose sum is σ = 3627650. Its totient is φ = 3627648.

The previous prime is 3627641. The next prime is 3627653. The reversal of 3627649 is 9467263.

3627649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 186624 = 1855^2 + 432^2 .

It is a cyclic number.

It is not a de Polignac number, because 3627649 - 2³ = 3627641 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 6⁸ + 2¹⁷ + 7⁶ + 6⁸ + 4 + 9 .

It is not a weakly prime, because it can be changed into another prime (3627641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1813824 + 1813825.

It is an arithmetic number, because the mean of its divisors is an integer number (1813825).

Almost surely, 2^3627649 is an apocalyptic number.

It is an amenable number.

3627649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3627649 is an equidigital number, since it uses as much as digits as its factorization.

3627649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 3627649 is about 1904.6388109035. The cubic root of 3627649 is about 153.6532508734.

The spelling of 3627649 in words is "three million, six hundred twenty-seven thousand, six hundred forty-nine".