4678656 has 44 divisors (see below), whose sum is σ = 12478512. Its totient is φ = 1558528.

The previous prime is 4678651. The next prime is 4678673. The reversal of 4678656 is 6568764.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4678651) by changing a digit.

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, 2311 + ... + 3833.

Almost surely, 2^4678656 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 4678656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6239256).

4678656 is an abundant number, since it is smaller than the sum of its proper divisors (7799856).

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

4678656 is a wasteful number, since it uses less digits than its factorization.

4678656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1528 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 4678656 is about 2163.0201108635. The cubic root of 4678656 is about 167.2529185456.

The spelling of 4678656 in words is "four million, six hundred seventy-eight thousand, six hundred fifty-six".