4101643 has 24 divisors (see below), whose sum is σ = 5285952. Its totient is φ = 3153024.

The previous prime is 4101623. The next prime is 4101653. The reversal of 4101643 is 3461014.

It is a happy number.

It is not a de Polignac number, because 4101643 - 2¹³ = 4093451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4101643.

It is not an unprimeable number, because it can be changed into a prime (4101623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29871 + ... + 30007.

It is an arithmetic number, because the mean of its divisors is an integer number (220248).

Almost surely, 2^4101643 is an apocalyptic number.

4101643 is a deficient number, since it is larger than the sum of its proper divisors (1184309).

4101643 is a wasteful number, since it uses less digits than its factorization.

4101643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 204 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4101643 is about 2025.2513424264. The cubic root of 4101643 is about 160.0734428458.

Adding to 4101643 its reverse (3461014), we get a palindrome (7562657).

The spelling of 4101643 in words is "four million, one hundred one thousand, six hundred forty-three".