4821656 has 32 divisors (see below), whose sum is σ = 10692000. Its totient is φ = 1994496.

The previous prime is 4821653. The next prime is 4821667. The reversal of 4821656 is 6561284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140 + ... + 3108.

It is an arithmetic number, because the mean of its divisors is an integer number (334125).

Almost surely, 2^4821656 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 4821656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5346000).

4821656 is an abundant number, since it is smaller than the sum of its proper divisors (5870344).

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

4821656 is a wasteful number, since it uses less digits than its factorization.

4821656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011 (or 3007 counting only the distinct ones).

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

The square root of 4821656 is about 2195.8269512874. The cubic root of 4821656 is about 168.9398383013.

The spelling of 4821656 in words is "four million, eight hundred twenty-one thousand, six hundred fifty-six".