881644441 has 8 divisors (see below), whose sum is σ = 968397120. Its totient is φ = 798926832.

The previous prime is 881644397. The next prime is 881644451. The reversal of 881644441 is 144446188.

It is a happy number.

881644441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 881644441 - 2⁹ = 881643929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881644394 and 881644403.

It is not an unprimeable number, because it can be changed into a prime (881644451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008310 + ... + 1009183.

It is an arithmetic number, because the mean of its divisors is an integer number (121049640).

Almost surely, 2^881644441 is an apocalyptic number.

It is an amenable number.

881644441 is a deficient number, since it is larger than the sum of its proper divisors (86752679).

881644441 is a wasteful number, since it uses less digits than its factorization.

881644441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017535.

The product of its digits is 98304, while the sum is 40.

The square root of 881644441 is about 29692.4980592742. The cubic root of 881644441 is about 958.8805096274.

The spelling of 881644441 in words is "eight hundred eighty-one million, six hundred forty-four thousand, four hundred forty-one".