3652636 has 24 divisors (see below), whose sum is σ = 7248080. Its totient is φ = 1596672.

The previous prime is 3652633. The next prime is 3652643. The reversal of 3652636 is 6362563.

3652636 = T₃₃ + T₃₄ + ... + T₂₇₉.

It is a junction number, because it is equal to n+sod(n) for n = 3652598 and 3652607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3652633) 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 in 7 ways as a sum of consecutive naturals, for example, 861 + ... + 2836.

Almost surely, 2^3652636 is an apocalyptic number.

It is an amenable number.

3652636 is a deficient number, since it is larger than the sum of its proper divisors (3595444).

3652636 is a wasteful number, since it uses less digits than its factorization.

3652636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3731 counting only the distinct ones).

The product of its digits is 19440, while the sum is 31.

The square root of 3652636 is about 1911.1870656741. The cubic root of 3652636 is about 154.0052283602.

The spelling of 3652636 in words is "three million, six hundred fifty-two thousand, six hundred thirty-six".