881089 has 8 divisors (see below), whose sum is σ = 968832. Its totient is φ = 794640.

The previous prime is 881077. The next prime is 881099. The reversal of 881089 is 980188.

881089 = 278² + 279² + ... + 288².

881089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 881089 - 2⁵ = 881057 is a prime.

It is a Duffinian number.

881089 is a modest number, since divided by 1089 gives 88 as remainder.

It is not an unprimeable number, because it can be changed into a prime (881009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1672 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (121104).

2⁸⁸¹⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

881089 is a deficient number, since it is larger than the sum of its proper divisors (87743).

881089 is a wasteful number, since it uses less digits than its factorization.

881089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 881089 is about 938.6634114527. The cubic root of 881089 is about 95.8679100605.

Subtracting 881089 from its reverse (980188), we obtain a palindrome (99099).

The spelling of 881089 in words is "eight hundred eighty-one thousand, eighty-nine".