3693643 has 8 divisors (see below), whose sum is σ = 3880080. Its totient is φ = 3511200.

The previous prime is 3693637. The next prime is 3693653. The reversal of 3693643 is 3463963.

3693643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3693643 is a prime.

It is a super-4 number, since 4×3693643⁴ (a number of 27 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3693599 and 3693608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3693653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 993 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (485010).

Almost surely, 2^3693643 is an apocalyptic number.

3693643 is a deficient number, since it is larger than the sum of its proper divisors (186437).

3693643 is a wasteful number, since it uses less digits than its factorization.

3693643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997.

The product of its digits is 34992, while the sum is 34.

The square root of 3693643 is about 1921.8852723303. The cubic root of 3693643 is about 154.5794077964.

The spelling of 3693643 in words is "three million, six hundred ninety-three thousand, six hundred forty-three".