3639536 has 10 divisors (see below), whose sum is σ = 7051632. Its totient is φ = 1819760.

The previous prime is 3639527. The next prime is 3639541. The reversal of 3639536 is 6359363.

3639536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3639496 and 3639505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113720 + ... + 113751.

Almost surely, 2^3639536 is an apocalyptic number.

It is an amenable number.

3639536 is a deficient number, since it is larger than the sum of its proper divisors (3412096).

3639536 is a wasteful number, since it uses less digits than its factorization.

3639536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227479 (or 227473 counting only the distinct ones).

The product of its digits is 43740, while the sum is 35.

The square root of 3639536 is about 1907.7567979174. The cubic root of 3639536 is about 153.8208970846.

The spelling of 3639536 in words is "three million, six hundred thirty-nine thousand, five hundred thirty-six".