3649229 has 2 divisors, whose sum is σ = 3649230. Its totient is φ = 3649228.

The previous prime is 3649207. The next prime is 3649241. The reversal of 3649229 is 9229463.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 1612900 = 1427^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 3649229 - 2¹² = 3645133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3649259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824614 + 1824615.

It is an arithmetic number, because the mean of its divisors is an integer number (1824615).

Almost surely, 2^3649229 is an apocalyptic number.

It is an amenable number.

3649229 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649229 is an equidigital number, since it uses as much as digits as its factorization.

3649229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 3649229 is about 1910.2955268754. The cubic root of 3649229 is about 153.9573306196.

The spelling of 3649229 in words is "three million, six hundred forty-nine thousand, two hundred twenty-nine".