4561881 has 16 divisors (see below), whose sum is σ = 6455040. Its totient is φ = 2857680.

The previous prime is 4561877. The next prime is 4561883. The reversal of 4561881 is 1881654.

It is not a de Polignac number, because 4561881 - 2² = 4561877 is a prime.

It is a super-2 number, since 2×4561881² = 41621516516322, which contains 22 as substring.

4561881 is a modest number, since divided by 1881 gives 456 as remainder.

It is not an unprimeable number, because it can be changed into a prime (4561883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9046 + ... + 9536.

It is an arithmetic number, because the mean of its divisors is an integer number (403440).

Almost surely, 2^4561881 is an apocalyptic number.

It is an amenable number.

4561881 is a deficient number, since it is larger than the sum of its proper divisors (1893159).

4561881 is a wasteful number, since it uses less digits than its factorization.

4561881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its digits is 7680, while the sum is 33.

The square root of 4561881 is about 2135.8560344742. The cubic root of 4561881 is about 165.8496848995.

The spelling of 4561881 in words is "four million, five hundred sixty-one thousand, eight hundred eighty-one".