895831 has 4 divisors (see below), whose sum is σ = 943000. Its totient is φ = 848664.

The previous prime is 895823. The next prime is 895841. The reversal of 895831 is 138598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 895831 - 2³ = 895823 is a prime.

It is a super-2 number, since 2×895831² = 1605026361122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23556 + ... + 23593.

It is an arithmetic number, because the mean of its divisors is an integer number (235750).

2⁸⁹⁵⁸³¹ is an apocalyptic number.

895831 is a deficient number, since it is larger than the sum of its proper divisors (47169).

895831 is a wasteful number, since it uses less digits than its factorization.

895831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47168.

The product of its digits is 8640, while the sum is 34.

The square root of 895831 is about 946.4834916680. The cubic root of 895831 is about 96.3996289650.

The spelling of 895831 in words is "eight hundred ninety-five thousand, eight hundred thirty-one".