881158 has 4 divisors (see below), whose sum is σ = 1321740. Its totient is φ = 440578.

The previous prime is 881147. The next prime is 881159. The reversal of 881158 is 851188.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220288 + ... + 220291.

It is an arithmetic number, because the mean of its divisors is an integer number (330435).

2⁸⁸¹¹⁵⁸ is an apocalyptic number.

881158 is a deficient number, since it is larger than the sum of its proper divisors (440582).

881158 is a wasteful number, since it uses less digits than its factorization.

881158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440581.

The product of its digits is 2560, while the sum is 31.

The square root of 881158 is about 938.7001651220. The cubic root of 881158 is about 95.8704125368.

The spelling of 881158 in words is "eight hundred eighty-one thousand, one hundred fifty-eight".