3630143 has 8 divisors (see below), whose sum is σ = 3974016. Its totient is φ = 3288600.

The previous prime is 3630101. The next prime is 3630149. The reversal of 3630143 is 3410363.

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 3630143 - 2⁸ = 3629887 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3630149) 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, 5438 + ... + 6068.

It is an arithmetic number, because the mean of its divisors is an integer number (496752).

Almost surely, 2^3630143 is an apocalyptic number.

3630143 is a deficient number, since it is larger than the sum of its proper divisors (343873).

3630143 is a wasteful number, since it uses less digits than its factorization.

3630143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 3630143 is about 1905.2934157237. The cubic root of 3630143 is about 153.6884548878.

It can be divided in two parts, 3630 and 143, that added together give a palindrome (3773).

The spelling of 3630143 in words is "three million, six hundred thirty thousand, one hundred forty-three".