2830256 has 40 divisors (see below), whose sum is σ = 6447504. Its totient is φ = 1186560.

The previous prime is 2830249. The next prime is 2830277. The reversal of 2830256 is 6520382.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 1670 + ... + 2906.

2^2830256 is an apocalyptic number.

2830256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2830256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3223752).

2830256 is an abundant number, since it is smaller than the sum of its proper divisors (3617248).

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

2830256 is a wasteful number, since it uses less digits than its factorization.

2830256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 2830256 is about 1682.3364705076. The cubic root of 2830256 is about 141.4518309241.

The spelling of 2830256 in words is "two million, eight hundred thirty thousand, two hundred fifty-six".