3668143 has 4 divisors (see below), whose sum is σ = 3767320. Its totient is φ = 3568968.

The previous prime is 3668129. The next prime is 3668179. The reversal of 3668143 is 3418663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3418663 = 73 ⋅46831.

It is a cyclic number.

It is not a de Polignac number, because 3668143 - 2²¹ = 1570991 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 (3668543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49533 + ... + 49606.

It is an arithmetic number, because the mean of its divisors is an integer number (941830).

Almost surely, 2^3668143 is an apocalyptic number.

3668143 is a deficient number, since it is larger than the sum of its proper divisors (99177).

3668143 is an equidigital number, since it uses as much as digits as its factorization.

3668143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99176.

The product of its digits is 10368, while the sum is 31.

The square root of 3668143 is about 1915.2396716860. The cubic root of 3668143 is about 154.2228599957. Note that the first 3 decimals are identical.

The spelling of 3668143 in words is "three million, six hundred sixty-eight thousand, one hundred forty-three".