881369 has 2 divisors, whose sum is σ = 881370. Its totient is φ = 881368.

The previous prime is 881357. The next prime is 881393. The reversal of 881369 is 963188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 846400 + 34969 = 920^2 + 187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881369 is a prime.

It is a super-2 number, since 2×881369² = 1553622628322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (881269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440684 + 440685.

It is an arithmetic number, because the mean of its divisors is an integer number (440685).

2⁸⁸¹³⁶⁹ is an apocalyptic number.

It is an amenable number.

881369 is a deficient number, since it is larger than the sum of its proper divisors (1).

881369 is an equidigital number, since it uses as much as digits as its factorization.

881369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 35.

The square root of 881369 is about 938.8125478497. The cubic root of 881369 is about 95.8780642265.

The spelling of 881369 in words is "eight hundred eighty-one thousand, three hundred sixty-nine".