881972 has 24 divisors (see below), whose sum is σ = 1900416. Its totient is φ = 348768.

The previous prime is 881963. The next prime is 881983. The reversal of 881972 is 279188.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

881972 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, 848 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (79184).

2⁸⁸¹⁹⁷² is an apocalyptic number.

It is an amenable number.

881972 is an abundant number, since it is smaller than the sum of its proper divisors (1018444).

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

881972 is a wasteful number, since it uses less digits than its factorization.

881972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2445 counting only the distinct ones).

The product of its digits is 8064, while the sum is 35.

The square root of 881972 is about 939.1336433117. The cubic root of 881972 is about 95.8999246477.

The spelling of 881972 in words is "eight hundred eighty-one thousand, nine hundred seventy-two".