881966 has 4 divisors (see below), whose sum is σ = 1322952. Its totient is φ = 440982.

The previous prime is 881963. The next prime is 881983. The reversal of 881966 is 669188.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220490 + ... + 220493.

It is an arithmetic number, because the mean of its divisors is an integer number (330738).

2⁸⁸¹⁹⁶⁶ is an apocalyptic number.

881966 is a deficient number, since it is larger than the sum of its proper divisors (440986).

881966 is a wasteful number, since it uses less digits than its factorization.

881966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440985.

The product of its digits is 20736, while the sum is 38.

The square root of 881966 is about 939.1304488728. The cubic root of 881966 is about 95.8997071802.

The spelling of 881966 in words is "eight hundred eighty-one thousand, nine hundred sixty-six".