4985881 has 2 divisors, whose sum is σ = 4985882. Its totient is φ = 4985880.

The previous prime is 4985863. The next prime is 4985909. The reversal of 4985881 is 1885894.

4985881 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4473225 + 512656 = 2115^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 4985881 - 2⁷ = 4985753 is a prime.

It is a super-2 number, since 2×4985881² = 49718018692322, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4985801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2492940 + 2492941.

It is an arithmetic number, because the mean of its divisors is an integer number (2492941).

Almost surely, 2^4985881 is an apocalyptic number.

It is an amenable number.

4985881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4985881 is an equidigital number, since it uses as much as digits as its factorization.

4985881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 43.

The square root of 4985881 is about 2232.9086412122. The cubic root of 4985881 is about 170.8364885927.

The spelling of 4985881 in words is "four million, nine hundred eighty-five thousand, eight hundred eighty-one".