4043345 has 8 divisors (see below), whose sum is σ = 4910976. Its totient is φ = 3195376.

The previous prime is 4043341. The next prime is 4043353. The reversal of 4043345 is 5433404.

It is a happy number.

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 4043345 - 2² = 4043341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4043345.

It is not an unprimeable number, because it can be changed into a prime (4043341) 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, 4457 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

Almost surely, 2^4043345 is an apocalyptic number.

It is an amenable number.

4043345 is a deficient number, since it is larger than the sum of its proper divisors (867631).

4043345 is an equidigital number, since it uses as much as digits as its factorization.

4043345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 4043345 is about 2010.8070519073. The cubic root of 4043345 is about 159.3114289588.

Adding to 4043345 its reverse (5433404), we get a palindrome (9476749).

The spelling of 4043345 in words is "four million, forty-three thousand, three hundred forty-five".