881993 has 8 divisors (see below), whose sum is σ = 1015488. Its totient is φ = 750384.

The previous prime is 881987. The next prime is 882017. The reversal of 881993 is 399188.

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

It is a cyclic number.

It is not a de Polignac number, because 881993 - 2¹⁴ = 865609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881953) 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 7 ways as a sum of consecutive naturals, for example, 755 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (126936).

2⁸⁸¹⁹⁹³ is an apocalyptic number.

It is an amenable number.

881993 is a deficient number, since it is larger than the sum of its proper divisors (133495).

881993 is a wasteful number, since it uses less digits than its factorization.

881993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943.

The product of its digits is 15552, while the sum is 38.

The square root of 881993 is about 939.1448237626. The cubic root of 881993 is about 95.9006857764.

The spelling of 881993 in words is "eight hundred eighty-one thousand, nine hundred ninety-three".