2444256 has 120 divisors (see below), whose sum is σ = 7683984. Its totient is φ = 760320.

The previous prime is 2444251. The next prime is 2444263. The reversal of 2444256 is 6524442.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444251) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59596 + ... + 59636.

2^2444256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2444256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3841992).

2444256 is an abundant number, since it is smaller than the sum of its proper divisors (5239728).

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

2444256 is a wasteful number, since it uses less digits than its factorization.

2444256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86 (or 69 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 2444256 is about 1563.4116540438. The cubic root of 2444256 is about 134.7045390110.

Adding to 2444256 its reverse (6524442), we get a palindrome (8968698).

The spelling of 2444256 in words is "two million, four hundred forty-four thousand, two hundred fifty-six".