4288256 has 36 divisors (see below), whose sum is σ = 9786672. Its totient is φ = 1837056.

The previous prime is 4288253. The next prime is 4288307. The reversal of 4288256 is 6528824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288253) 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, 596 + ... + 2988.

It is an arithmetic number, because the mean of its divisors is an integer number (271852).

Almost surely, 2^4288256 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 4288256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4893336).

4288256 is an abundant number, since it is smaller than the sum of its proper divisors (5498416).

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

4288256 is an equidigital number, since it uses as much as digits as its factorization.

4288256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416 (or 2402 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 4288256 is about 2070.8104693573. The cubic root of 4288256 is about 162.4651570266.

The spelling of 4288256 in words is "four million, two hundred eighty-eight thousand, two hundred fifty-six".