4293439 has 4 divisors (see below), whose sum is σ = 4299624. Its totient is φ = 4287256.

The previous prime is 4293437. The next prime is 4293451. The reversal of 4293439 is 9343924.

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 4293439 - 2¹ = 4293437 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 (4293437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897 + ... + 3490.

It is an arithmetic number, because the mean of its divisors is an integer number (1074906).

Almost surely, 2^4293439 is an apocalyptic number.

4293439 is a deficient number, since it is larger than the sum of its proper divisors (6185).

4293439 is an equidigital number, since it uses as much as digits as its factorization.

4293439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184.

The product of its digits is 23328, while the sum is 34.

The square root of 4293439 is about 2072.0615338353. The cubic root of 4293439 is about 162.5305851700.

The spelling of 4293439 in words is "four million, two hundred ninety-three thousand, four hundred thirty-nine".