2256726 has 16 divisors (see below), whose sum is σ = 4618944. Its totient is φ = 734664.

The previous prime is 2256721. The next prime is 2256731. The reversal of 2256726 is 6276522.

It is an interprime number because it is at equal distance from previous prime (2256721) and next prime (2256731).

It is a d-powerful number, because it can be written as 2⁷ + 2⁹ + 5⁵ + 6⁶ + 7⁴ + 2¹⁹ + 6⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2256693 and 2256702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4116 + ... + 4631.

It is an arithmetic number, because the mean of its divisors is an integer number (288684).

2^2256726 is an apocalyptic number.

2256726 is an abundant number, since it is smaller than the sum of its proper divisors (2362218).

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

2256726 is a wasteful number, since it uses less digits than its factorization.

2256726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795.

The product of its digits is 10080, while the sum is 30.

The square root of 2256726 is about 1502.2403269783. The cubic root of 2256726 is about 131.1675109793.

The spelling of 2256726 in words is "two million, two hundred fifty-six thousand, seven hundred twenty-six".