2132256 has 96 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 573696.

The previous prime is 2132239. The next prime is 2132267. The reversal of 2132256 is 6522312.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12685 + ... + 12851.

It is an arithmetic number, because the mean of its divisors is an integer number (70560).

2^2132256 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 2132256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2132256 is an abundant number, since it is smaller than the sum of its proper divisors (4641504).

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

2132256 is a wasteful number, since it uses less digits than its factorization.

2132256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 198 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2132256 is about 1460.2246402523. The cubic root of 2132256 is about 128.7102444258.

Adding to 2132256 its reverse (6522312), we get a palindrome (8654568).

The spelling of 2132256 in words is "two million, one hundred thirty-two thousand, two hundred fifty-six".