2438656 has 40 divisors (see below), whose sum is σ = 5327784. Its totient is φ = 1105920.

The previous prime is 2438629. The next prime is 2438671. The reversal of 2438656 is 6568342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5416 + ... + 5848.

2^2438656 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 2438656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2663892).

2438656 is an abundant number, since it is smaller than the sum of its proper divisors (2889128).

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

2438656 is an equidigital number, since it uses as much as digits as its factorization.

2438656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 446 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 2438656 is about 1561.6196720072. The cubic root of 2438656 is about 134.6015871322.

It can be divided in two parts, 24386 and 56, that added together give a palindrome (24442).

The spelling of 2438656 in words is "two million, four hundred thirty-eight thousand, six hundred fifty-six".