895681 has 2 divisors, whose sum is σ = 895682. Its totient is φ = 895680.

The previous prime is 895673. The next prime is 895691. The reversal of 895681 is 186598.

895681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 147456 = 865^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 895681 - 2³ = 895673 is a prime.

It is a super-2 number, since 2×895681² = 1604488907522, which contains 22 as substring.

895681 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 895681.

It is not a weakly prime, because it can be changed into another prime (895651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447840 + 447841.

It is an arithmetic number, because the mean of its divisors is an integer number (447841).

2⁸⁹⁵⁶⁸¹ is an apocalyptic number.

It is an amenable number.

895681 is a deficient number, since it is larger than the sum of its proper divisors (1).

895681 is an equidigital number, since it uses as much as digits as its factorization.

895681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 895681 is about 946.4042476659. The cubic root of 895681 is about 96.3942482063.

The spelling of 895681 in words is "eight hundred ninety-five thousand, six hundred eighty-one".