4256339 has 4 divisors (see below), whose sum is σ = 4260480. Its totient is φ = 4252200.

The previous prime is 4256327. The next prime is 4256347. The reversal of 4256339 is 9336524.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4256339 - 2¹⁶ = 4190803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4256389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782 + ... + 3020.

It is an arithmetic number, because the mean of its divisors is an integer number (1065120).

Almost surely, 2^4256339 is an apocalyptic number.

4256339 is a deficient number, since it is larger than the sum of its proper divisors (4141).

4256339 is a wasteful number, since it uses less digits than its factorization.

4256339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its digits is 19440, while the sum is 32.

The square root of 4256339 is about 2063.0896732813. The cubic root of 4256339 is about 162.0610829960.

The spelling of 4256339 in words is "four million, two hundred fifty-six thousand, three hundred thirty-nine".