4069943 has 4 divisors (see below), whose sum is σ = 4078008. Its totient is φ = 4061880.

The previous prime is 4069937. The next prime is 4069991. The reversal of 4069943 is 3499604.

It is a happy number.

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 4069943 - 2⁸ = 4069687 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 (4069913) 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 3 ways as a sum of consecutive naturals, for example, 3221 + ... + 4302.

It is an arithmetic number, because the mean of its divisors is an integer number (1019502).

Almost surely, 2^4069943 is an apocalyptic number.

4069943 is a deficient number, since it is larger than the sum of its proper divisors (8065).

4069943 is an equidigital number, since it uses as much as digits as its factorization.

4069943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 4069943 is about 2017.4099732082. The cubic root of 4069943 is about 159.6599941327.

The spelling of 4069943 in words is "four million, sixty-nine thousand, nine hundred forty-three".