2636256 has 48 divisors (see below), whose sum is σ = 7910784. Its totient is φ = 753024.

The previous prime is 2636251. The next prime is 2636261. The reversal of 2636256 is 6526362.

It is an interprime number because it is at equal distance from previous prime (2636251) and next prime (2636261).

It is a tau number, because it is divible by the number of its divisors (48).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636251) 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, 1290 + ... + 2633.

It is an arithmetic number, because the mean of its divisors is an integer number (164808).

2^2636256 is an apocalyptic number.

It is an amenable number.

2636256 is an abundant number, since it is smaller than the sum of its proper divisors (5274528).

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

2636256 is a wasteful number, since it uses less digits than its factorization.

2636256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943 (or 3935 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 2636256 is about 1623.6551357970. The cubic root of 2636256 is about 138.1430987797.

The spelling of 2636256 in words is "two million, six hundred thirty-six thousand, two hundred fifty-six".