4258439 has 4 divisors (see below), whose sum is σ = 4395840. Its totient is φ = 4121040.

The previous prime is 4258411. The next prime is 4258459. The reversal of 4258439 is 9348524.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4258439 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 2⁷ + 5³ + 8 + 4¹¹ + 3¹⁰ + 9³ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4258399 and 4258408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4258409) 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, 68654 + ... + 68715.

It is an arithmetic number, because the mean of its divisors is an integer number (1098960).

Almost surely, 2^4258439 is an apocalyptic number.

4258439 is a deficient number, since it is larger than the sum of its proper divisors (137401).

4258439 is a wasteful number, since it uses less digits than its factorization.

4258439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137400.

The product of its digits is 34560, while the sum is 35.

The square root of 4258439 is about 2063.5985559212. The cubic root of 4258439 is about 162.0877312743.

The spelling of 4258439 in words is "four million, two hundred fifty-eight thousand, four hundred thirty-nine".