4621856 has 24 divisors (see below), whose sum is σ = 9199260. Its totient is φ = 2285568.

The previous prime is 4621853. The next prime is 4621867. The reversal of 4621856 is 6581264.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 144400 = 2116^2 + 380^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (4621853) 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, 2360 + ... + 3848.

Almost surely, 2^4621856 is an apocalyptic number.

It is an amenable number.

4621856 is a deficient number, since it is larger than the sum of its proper divisors (4577404).

4621856 is a wasteful number, since it uses less digits than its factorization.

4621856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596 (or 1588 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 4621856 is about 2149.8502273414. The cubic root of 4621856 is about 166.5733308514.

The spelling of 4621856 in words is "four million, six hundred twenty-one thousand, eight hundred fifty-six".