895309 has 2 divisors, whose sum is σ = 895310. Its totient is φ = 895308.

The previous prime is 895291. The next prime is 895313. The reversal of 895309 is 903598.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635209 + 260100 = 797^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 895309 - 2⁵ = 895277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (895319) 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 as a sum of consecutive naturals, namely, 447654 + 447655.

It is an arithmetic number, because the mean of its divisors is an integer number (447655).

2⁸⁹⁵³⁰⁹ is an apocalyptic number.

It is an amenable number.

895309 is a deficient number, since it is larger than the sum of its proper divisors (1).

895309 is an equidigital number, since it uses as much as digits as its factorization.

895309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 895309 is about 946.2076939023. The cubic root of 895309 is about 96.3809013317.

The spelling of 895309 in words is "eight hundred ninety-five thousand, three hundred nine".