3646136 has 16 divisors (see below), whose sum is σ = 7362600. Its totient is φ = 1682784.

The previous prime is 3646129. The next prime is 3646183. The reversal of 3646136 is 6316463.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3646099 and 3646108.

It is a congruent number.

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, 17426 + ... + 17633.

Almost surely, 2^3646136 is an apocalyptic number.

It is an amenable number.

3646136 is an abundant number, since it is smaller than the sum of its proper divisors (3716464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3646136 is a wasteful number, since it uses less digits than its factorization.

3646136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078 (or 35074 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 3646136 is about 1909.4857946578. The cubic root of 3646136 is about 153.9138214635.

The spelling of 3646136 in words is "three million, six hundred forty-six thousand, one hundred thirty-six".