4432643 has 4 divisors (see below), whose sum is σ = 4665960. Its totient is φ = 4199328.

The previous prime is 4432627. The next prime is 4432657. The reversal of 4432643 is 3462344.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4432643 - 2⁴ = 4432627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4432613) 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, 116630 + ... + 116667.

It is an arithmetic number, because the mean of its divisors is an integer number (1166490).

Almost surely, 2^4432643 is an apocalyptic number.

4432643 is a deficient number, since it is larger than the sum of its proper divisors (233317).

4432643 is a wasteful number, since it uses less digits than its factorization.

4432643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233316.

The product of its digits is 6912, while the sum is 26.

The square root of 4432643 is about 2105.3842879627. The cubic root of 4432643 is about 164.2684849696.

Adding to 4432643 its reverse (3462344), we get a palindrome (7894987).

Subtracting from 4432643 its reverse (3462344), we obtain a cube (970299 = 99³).

The spelling of 4432643 in words is "four million, four hundred thirty-two thousand, six hundred forty-three".