3643733 has 2 divisors, whose sum is σ = 3643734. Its totient is φ = 3643732.

The previous prime is 3643721. The next prime is 3643747. The reversal of 3643733 is 3373463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3411409 + 232324 = 1847^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 3643733 - 2⁶ = 3643669 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3³ + 6² + 4¹⁰ + 3⁴ + 7⁷ + 3¹¹ + 3¹³ .

It is a junction number, because it is equal to n+sod(n) for n = 3643696 and 3643705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3643033) 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, 1821866 + 1821867.

It is an arithmetic number, because the mean of its divisors is an integer number (1821867).

Almost surely, 2^3643733 is an apocalyptic number.

It is an amenable number.

3643733 is a deficient number, since it is larger than the sum of its proper divisors (1).

3643733 is an equidigital number, since it uses as much as digits as its factorization.

3643733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 29.

The square root of 3643733 is about 1908.8564639595. The cubic root of 3643733 is about 153.8800015334.

The spelling of 3643733 in words is "three million, six hundred forty-three thousand, seven hundred thirty-three".