881601 has 8 divisors (see below), whose sum is σ = 1343424. Its totient is φ = 503760.

The previous prime is 881597. The next prime is 881611. The reversal of 881601 is 106188.

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

It is not a de Polignac number, because 881601 - 2² = 881597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881611) by changing a digit.

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, 20970 + ... + 21011.

It is an arithmetic number, because the mean of its divisors is an integer number (167928).

2⁸⁸¹⁶⁰¹ is an apocalyptic number.

It is an amenable number.

881601 is a deficient number, since it is larger than the sum of its proper divisors (461823).

881601 is a wasteful number, since it uses less digits than its factorization.

881601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41991.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 881601 is about 938.9361000622. The cubic root of 881601 is about 95.8864760492.

Adding to 881601 its reverse (106188), we get a palindrome (987789).

The spelling of 881601 in words is "eight hundred eighty-one thousand, six hundred one".