3649613 has 8 divisors (see below), whose sum is σ = 4038336. Its totient is φ = 3270400.

The previous prime is 3649609. The next prime is 3649637. The reversal of 3649613 is 3169463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3649613 - 2² = 3649609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3649613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (504792).

Almost surely, 2^3649613 is an apocalyptic number.

It is an amenable number.

3649613 is a deficient number, since it is larger than the sum of its proper divisors (388723).

3649613 is a wasteful number, since it uses less digits than its factorization.

3649613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755.

The product of its digits is 11664, while the sum is 32.

The square root of 3649613 is about 1910.3960322404. The cubic root of 3649613 is about 153.9627306225.

The spelling of 3649613 in words is "three million, six hundred forty-nine thousand, six hundred thirteen".