3663143 has 16 divisors (see below), whose sum is σ = 4458240. Its totient is φ = 2966400.

The previous prime is 3663137. The next prime is 3663157. The reversal of 3663143 is 3413663.

It is a cyclic number.

It is not a de Polignac number, because 3663143 - 2⁸ = 3662887 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 (3663113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3038 + ... + 4068.

It is an arithmetic number, because the mean of its divisors is an integer number (278640).

Almost surely, 2^3663143 is an apocalyptic number.

3663143 is a deficient number, since it is larger than the sum of its proper divisors (795097).

3663143 is a wasteful number, since it uses less digits than its factorization.

3663143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078.

The product of its digits is 3888, while the sum is 26.

The square root of 3663143 is about 1913.9339069048. The cubic root of 3663143 is about 154.1527550469.

The spelling of 3663143 in words is "three million, six hundred sixty-three thousand, one hundred forty-three".