881632 has 12 divisors (see below), whose sum is σ = 1735776. Its totient is φ = 440800.

The previous prime is 881611. The next prime is 881641. The reversal of 881632 is 236188.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 881632.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 13744 + ... + 13807.

It is an arithmetic number, because the mean of its divisors is an integer number (144648).

2⁸⁸¹⁶³² is an apocalyptic number.

It is an amenable number.

881632 is a deficient number, since it is larger than the sum of its proper divisors (854144).

881632 is a wasteful number, since it uses less digits than its factorization.

881632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27561 (or 27553 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 881632 is about 938.9526079627. The cubic root of 881632 is about 95.8875999310.

The spelling of 881632 in words is "eight hundred eighty-one thousand, six hundred thirty-two".