3689633 has 2 divisors, whose sum is σ = 3689634. Its totient is φ = 3689632.

The previous prime is 3689617. The next prime is 3689669. The reversal of 3689633 is 3369863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2505889 + 1183744 = 1583^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 3689633 - 2⁴ = 3689617 is a prime.

It is a super-2 number, since 2×3689633² = 27226783349378, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3089633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844816 + 1844817.

It is an arithmetic number, because the mean of its divisors is an integer number (1844817).

Almost surely, 2^3689633 is an apocalyptic number.

It is an amenable number.

3689633 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689633 is an equidigital number, since it uses as much as digits as its factorization.

3689633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 3689633 is about 1920.8417425702. The cubic root of 3689633 is about 154.5234478783.

It can be divided in two parts, 368 and 9633, that added together give a palindrome (10001).

The spelling of 3689633 in words is "three million, six hundred eighty-nine thousand, six hundred thirty-three".