4647856 has 20 divisors (see below), whose sum is σ = 9479800. Its totient is φ = 2201472.

The previous prime is 4647823. The next prime is 4647871. The reversal of 4647856 is 6587464.

4647856 = T₃₇₅ + T₃₇₆ + ... + T₄₃₁.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7341 + ... + 7948.

It is an arithmetic number, because the mean of its divisors is an integer number (473990).

Almost surely, 2^4647856 is an apocalyptic number.

It is an amenable number.

4647856 is an abundant number, since it is smaller than the sum of its proper divisors (4831944).

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

4647856 is a wasteful number, since it uses less digits than its factorization.

4647856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15316 (or 15310 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The square root of 4647856 is about 2155.8886798719. Note that the first 3 decimals coincide. The cubic root of 4647856 is about 166.8850967159.

The spelling of 4647856 in words is "four million, six hundred forty-seven thousand, eight hundred fifty-six".