3663843 has 8 divisors (see below), whose sum is σ = 4965456. Its totient is φ = 2402400.

The previous prime is 3663833. The next prime is 3663887. The reversal of 3663843 is 3483663.

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

It is not a de Polignac number, because 3663843 - 2⁵ = 3663811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3663833) 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, 9828 + ... + 10193.

It is an arithmetic number, because the mean of its divisors is an integer number (620682).

Almost surely, 2^3663843 is an apocalyptic number.

3663843 is a deficient number, since it is larger than the sum of its proper divisors (1301613).

3663843 is a wasteful number, since it uses less digits than its factorization.

3663843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20085.

The product of its digits is 31104, while the sum is 33.

The square root of 3663843 is about 1914.1167675980. The cubic root of 3663843 is about 154.1625735785.

The spelling of 3663843 in words is "three million, six hundred sixty-three thousand, eight hundred forty-three".