881811 has 12 divisors (see below), whose sum is σ = 1455792. Its totient is φ = 503856.

The previous prime is 881779. The next prime is 881813. The reversal of 881811 is 118188.

It is not a de Polignac number, because 881811 - 2⁵ = 881779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (881813) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6936 + ... + 7061.

It is an arithmetic number, because the mean of its divisors is an integer number (121316).

2⁸⁸¹⁸¹¹ is an apocalyptic number.

881811 is a deficient number, since it is larger than the sum of its proper divisors (573981).

881811 is a wasteful number, since it uses less digits than its factorization.

881811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14010 (or 14007 counting only the distinct ones).

The product of its digits is 512, while the sum is 27.

The square root of 881811 is about 939.0479220998. The cubic root of 881811 is about 95.8940889268.

Adding to 881811 its reverse (118188), we get a palindrome (999999).

The spelling of 881811 in words is "eight hundred eighty-one thousand, eight hundred eleven".