3509636 has 12 divisors (see below), whose sum is σ = 6614412. Its totient is φ = 1619808.

The previous prime is 3509591. The next prime is 3509659. The reversal of 3509636 is 6369053.

3509636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1932100 + 1577536 = 1390^2 + 1256^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33695 + ... + 33798.

It is an arithmetic number, because the mean of its divisors is an integer number (551201).

Almost surely, 2^3509636 is an apocalyptic number.

It is an amenable number.

3509636 is a deficient number, since it is larger than the sum of its proper divisors (3104776).

3509636 is a wasteful number, since it uses less digits than its factorization.

3509636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67510 (or 67508 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 3509636 is about 1873.4022525875. The cubic root of 3509636 is about 151.9686569723.

The spelling of 3509636 in words is "three million, five hundred nine thousand, six hundred thirty-six".