881505 has 24 divisors (see below), whose sum is σ = 1609920. Its totient is φ = 444960.

The previous prime is 881479. The next prime is 881509. The reversal of 881505 is 505188.

It is not a de Polignac number, because 881505 - 2⁵ = 881473 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (881509) 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 23 ways as a sum of consecutive naturals, for example, 340 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (67080).

2⁸⁸¹⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

881505 is a deficient number, since it is larger than the sum of its proper divisors (728415).

881505 is a wasteful number, since it uses less digits than its factorization.

881505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 881505 is about 938.8849769807. The cubic root of 881505 is about 95.8829954740.

The spelling of 881505 in words is "eight hundred eighty-one thousand, five hundred five".