4256238 has 48 divisors (see below), whose sum is σ = 10243584. Its totient is φ = 1174320.

The previous prime is 4256233. The next prime is 4256249. The reversal of 4256238 is 8326524.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁹ + 5 + 6⁶ + 2¹³ + 3⁸ + 8 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8881 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

Almost surely, 2^4256238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4256238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5121792).

4256238 is an abundant number, since it is smaller than the sum of its proper divisors (5987346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4256238 is a wasteful number, since it uses less digits than its factorization.

4256238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 510 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 4256238 is about 2063.0651952859. The cubic root of 4256238 is about 162.0598011198.

It can be divided in two parts, 42 and 56238, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 4256238 in words is "four million, two hundred fifty-six thousand, two hundred thirty-eight".