881999 has 8 divisors (see below), whose sum is σ = 944880. Its totient is φ = 820800.

The previous prime is 881987. The next prime is 882017. The reversal of 881999 is 999188.

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

It is not a de Polignac number, because 881999 - 2⁴ = 881983 is a prime.

It is a Duffinian number.

881999 is a modest number, since divided by 999 gives 881 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881939) 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 7 ways as a sum of consecutive naturals, for example, 779 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (118110).

2⁸⁸¹⁹⁹⁹ is an apocalyptic number.

881999 is a deficient number, since it is larger than the sum of its proper divisors (62881).

881999 is a wasteful number, since it uses less digits than its factorization.

881999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841.

The product of its digits is 46656, while the sum is 44.

The square root of 881999 is about 939.1480181526. The cubic root of 881999 is about 95.9009032395.

The spelling of 881999 in words is "eight hundred eighty-one thousand, nine hundred ninety-nine".