4861656 has 24 divisors (see below), whose sum is σ = 13167180. Its totient is φ = 1620528.

The previous prime is 4861631. The next prime is 4861667. The reversal of 4861656 is 6561684.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4861656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33690 + ... + 33833.

Almost surely, 2^4861656 is an apocalyptic number.

It is an amenable number.

4861656 is an abundant number, since it is smaller than the sum of its proper divisors (8305524).

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

4861656 is a wasteful number, since it uses less digits than its factorization.

4861656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67535 (or 67528 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4861656 is about 2204.9163249430. The cubic root of 4861656 is about 169.4057219726.

The spelling of 4861656 in words is "four million, eight hundred sixty-one thousand, six hundred fifty-six".