881405 has 8 divisors (see below), whose sum is σ = 1208832. Its totient is φ = 604368.

The previous prime is 881393. The next prime is 881407. The reversal of 881405 is 504188.

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 881405 - 2¹⁶ = 815869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881405.

It is not an unprimeable number, because it can be changed into a prime (881407) 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, 12557 + ... + 12626.

It is an arithmetic number, because the mean of its divisors is an integer number (151104).

2⁸⁸¹⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

881405 is a deficient number, since it is larger than the sum of its proper divisors (327427).

881405 is a wasteful number, since it uses less digits than its factorization.

881405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25195.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 881405 is about 938.8317208105. The cubic root of 881405 is about 95.8793696061.

The spelling of 881405 in words is "eight hundred eighty-one thousand, four hundred five".