2072256 has 56 divisors (see below), whose sum is σ = 5632704. Its totient is φ = 672000.

The previous prime is 2072209. The next prime is 2072267. The reversal of 2072256 is 6522702.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8131 + ... + 8381.

It is an arithmetic number, because the mean of its divisors is an integer number (100584).

2^2072256 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 2072256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2816352).

2072256 is an abundant number, since it is smaller than the sum of its proper divisors (3560448).

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

2072256 is a wasteful number, since it uses less digits than its factorization.

2072256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2072256 is about 1439.5332576915. The cubic root of 2072256 is about 127.4914719402.

Adding to 2072256 its reverse (6522702), we get a palindrome (8594958).

The spelling of 2072256 in words is "two million, seventy-two thousand, two hundred fifty-six".