3681653 has 8 divisors (see below), whose sum is σ = 3837696. Its totient is φ = 3528000.

The previous prime is 3681619. The next prime is 3681683. The reversal of 3681653 is 3561863.

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 3681653 - 2¹⁶ = 3616117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681683) 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, 2978 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (479712).

Almost surely, 2^3681653 is an apocalyptic number.

It is an amenable number.

3681653 is a deficient number, since it is larger than the sum of its proper divisors (156043).

3681653 is a wasteful number, since it uses less digits than its factorization.

3681653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its digits is 12960, while the sum is 32.

The square root of 3681653 is about 1918.7634038620. The cubic root of 3681653 is about 154.4119655013.

It can be divided in two parts, 3681 and 653, that added together give a palindrome (4334).

The spelling of 3681653 in words is "three million, six hundred eighty-one thousand, six hundred fifty-three".