881994 has 16 divisors (see below), whose sum is σ = 1867968. Its totient is φ = 276672.

The previous prime is 881987. The next prime is 882017. The reversal of 881994 is 499188.

It is an Ulam number.

It is an unprimeable number.

881994 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 4222 + ... + 4425.

It is an arithmetic number, because the mean of its divisors is an integer number (116748).

2⁸⁸¹⁹⁹⁴ is an apocalyptic number.

881994 is an abundant number, since it is smaller than the sum of its proper divisors (985974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

881994 is a wasteful number, since it uses less digits than its factorization.

881994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8669.

The product of its digits is 20736, while the sum is 39.

The square root of 881994 is about 939.1453561617. The cubic root of 881994 is about 95.9007220203.

The spelling of 881994 in words is "eight hundred eighty-one thousand, nine hundred ninety-four".