3689236 has 6 divisors (see below), whose sum is σ = 6456170. Its totient is φ = 1844616.

The previous prime is 3689209. The next prime is 3689237. The reversal of 3689236 is 6329863.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2890000 + 799236 = 1700^2 + 894^2 .

It is a super-2 number, since 2×3689236² = 27220924527392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3689195 and 3689204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461151 + ... + 461158.

Almost surely, 2^3689236 is an apocalyptic number.

It is an amenable number.

3689236 is a deficient number, since it is larger than the sum of its proper divisors (2766934).

3689236 is a wasteful number, since it uses less digits than its factorization.

3689236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922313 (or 922311 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 3689236 is about 1920.7383996786. The cubic root of 3689236 is about 154.5179055015.

It can be divided in two parts, 368 and 9236, that added together give a square (9604 = 98²).

The spelling of 3689236 in words is "three million, six hundred eighty-nine thousand, two hundred thirty-six".