881593 has 4 divisors (see below), whose sum is σ = 887040. Its totient is φ = 876148.

The previous prime is 881591. The next prime is 881597. The reversal of 881593 is 395188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 881593 - 2¹ = 881591 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2473 + ... + 2806.

It is an arithmetic number, because the mean of its divisors is an integer number (221760).

2⁸⁸¹⁵⁹³ is an apocalyptic number.

It is an amenable number.

881593 is a deficient number, since it is larger than the sum of its proper divisors (5447).

881593 is a wasteful number, since it uses less digits than its factorization.

881593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5446.

The product of its digits is 8640, while the sum is 34.

The square root of 881593 is about 938.9318399117. The cubic root of 881593 is about 95.8861860109.

It can be divided in two parts, 88 and 1593, that added together give a square (1681 = 41²).

The spelling of 881593 in words is "eight hundred eighty-one thousand, five hundred ninety-three".