4259239 has 4 divisors (see below), whose sum is σ = 4339656. Its totient is φ = 4178824.

The previous prime is 4259237. The next prime is 4259243. The reversal of 4259239 is 9329524.

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 4259239 - 2¹ = 4259237 is a prime.

It is a super-2 number, since 2×4259239² = 36282233718242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4259237) 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, 40129 + ... + 40234.

It is an arithmetic number, because the mean of its divisors is an integer number (1084914).

Almost surely, 2^4259239 is an apocalyptic number.

4259239 is a deficient number, since it is larger than the sum of its proper divisors (80417).

4259239 is an equidigital number, since it uses as much as digits as its factorization.

4259239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80416.

The product of its digits is 19440, while the sum is 34.

The square root of 4259239 is about 2063.7923829688. The cubic root of 4259239 is about 162.0978806950.

The spelling of 4259239 in words is "four million, two hundred fifty-nine thousand, two hundred thirty-nine".