4891856 has 10 divisors (see below), whose sum is σ = 9478002. Its totient is φ = 2445920.

The previous prime is 4891853. The next prime is 4891879. The reversal of 4891856 is 6581984.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 2202256 = 1640^2 + 1484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4891853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152855 + ... + 152886.

Almost surely, 2^4891856 is an apocalyptic number.

It is an amenable number.

4891856 is a deficient number, since it is larger than the sum of its proper divisors (4586146).

4891856 is a wasteful number, since it uses less digits than its factorization.

4891856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305749 (or 305743 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 4891856 is about 2211.7540550432. The cubic root of 4891856 is about 169.7557738743.

The spelling of 4891856 in words is "four million, eight hundred ninety-one thousand, eight hundred fifty-six".