4380443 has 4 divisors (see below), whose sum is σ = 4390368. Its totient is φ = 4370520.

The previous prime is 4380437. The next prime is 4380449. The reversal of 4380443 is 3440834.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (4380437) and next prime (4380449).

It is a cyclic number.

It is not a de Polignac number, because 4380443 - 2¹² = 4376347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4380449) 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, 4268 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (1097592).

Almost surely, 2^4380443 is an apocalyptic number.

4380443 is a deficient number, since it is larger than the sum of its proper divisors (9925).

4380443 is an equidigital number, since it uses as much as digits as its factorization.

4380443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9924.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4380443 is about 2092.9507877635. The cubic root of 4380443 is about 163.6211137397.

The spelling of 4380443 in words is "four million, three hundred eighty thousand, four hundred forty-three".