4043399 has 8 divisors (see below), whose sum is σ = 4301280. Its totient is φ = 3800928.

The previous prime is 4043387. The next prime is 4043401. The reversal of 4043399 is 9933404.

It is not a de Polignac number, because 4043399 - 2¹⁶ = 3977863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4043899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4502 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (537660).

Almost surely, 2^4043399 is an apocalyptic number.

4043399 is a deficient number, since it is larger than the sum of its proper divisors (257881).

4043399 is an frugal number, since it uses more digits than its factorization.

4043399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 840 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 4043399 is about 2010.8204793069. The cubic root of 4043399 is about 159.3121381718.

The spelling of 4043399 in words is "four million, forty-three thousand, three hundred ninety-nine".