881668 has 12 divisors (see below), whose sum is σ = 1551312. Its totient is φ = 438440.

The previous prime is 881663. The next prime is 881669. The reversal of 881668 is 866188.

It is not an unprimeable number, because it can be changed into a prime (881663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423 + ... + 1393.

It is an arithmetic number, because the mean of its divisors is an integer number (129276).

2⁸⁸¹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

881668 is a deficient number, since it is larger than the sum of its proper divisors (669644).

881668 is a wasteful number, since it uses less digits than its factorization.

881668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 881668 is about 938.9717780636. The cubic root of 881668 is about 95.8889050510. Note that the first 3 decimals are identical.

The spelling of 881668 in words is "eight hundred eighty-one thousand, six hundred sixty-eight".