3649616 has 20 divisors (see below), whose sum is σ = 7103712. Its totient is φ = 1816416.

The previous prime is 3649609. The next prime is 3649637. The reversal of 3649616 is 6169463.

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, 4541 + ... + 5283.

Almost surely, 2^3649616 is an apocalyptic number.

It is an amenable number.

3649616 is a deficient number, since it is larger than the sum of its proper divisors (3454096).

3649616 is a wasteful number, since it uses less digits than its factorization.

3649616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058 (or 1052 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 3649616 is about 1910.3968174178. The cubic root of 3649616 is about 153.9627728085.

The spelling of 3649616 in words is "three million, six hundred forty-nine thousand, six hundred sixteen".