2797256 has 64 divisors (see below), whose sum is σ = 6912000. Its totient is φ = 1028160.

The previous prime is 2797247. The next prime is 2797259. The reversal of 2797256 is 6527972.

2797256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2797256² = 15649282259072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (2797259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11585 + ... + 11823.

It is an arithmetic number, because the mean of its divisors is an integer number (108000).

2^2797256 is an apocalyptic number.

It is a pronic number, being equal to 1672×1673.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2797256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3456000).

2797256 is an abundant number, since it is smaller than the sum of its proper divisors (4114744).

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

2797256 is a wasteful number, since it uses less digits than its factorization.

2797256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 278 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 2797256 is about 1672.4999252616. The cubic root of 2797256 is about 140.8999172409.

The spelling of 2797256 in words is "two million, seven hundred ninety-seven thousand, two hundred fifty-six".