881588 has 12 divisors (see below), whose sum is σ = 1549380. Its totient is φ = 438912.

The previous prime is 881539. The next prime is 881591. The reversal of 881588 is 885188.

It can be written as a sum of positive squares in 2 ways, for example, as 394384 + 487204 = 628^2 + 698^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1478 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (129115).

2⁸⁸¹⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

881588 is a deficient number, since it is larger than the sum of its proper divisors (667792).

881588 is a wasteful number, since it uses less digits than its factorization.

881588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 944 counting only the distinct ones).

The product of its digits is 20480, while the sum is 38.

The square root of 881588 is about 938.9291773079. The cubic root of 881588 is about 95.8860047361.

Subtracting 881588 from its reverse (885188), we obtain a square (3600 = 60²).

The spelling of 881588 in words is "eight hundred eighty-one thousand, five hundred eighty-eight".