881361 has 32 divisors (see below), whose sum is σ = 1469440. Its totient is φ = 524880.

The previous prime is 881357. The next prime is 881369. The reversal of 881361 is 163188.

It is not a de Polignac number, because 881361 - 2² = 881357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881361.

It is not an unprimeable number, because it can be changed into a prime (881369) 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 31 ways as a sum of consecutive naturals, for example, 28416 + ... + 28446.

It is an arithmetic number, because the mean of its divisors is an integer number (45920).

2⁸⁸¹³⁶¹ is an apocalyptic number.

881361 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

881361 is a deficient number, since it is larger than the sum of its proper divisors (588079).

881361 is an equidigital number, since it uses as much as digits as its factorization.

881361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 47 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 881361 is about 938.8082871385. The cubic root of 881361 is about 95.8777741373.

The spelling of 881361 in words is "eight hundred eighty-one thousand, three hundred sixty-one".