895581 has 12 divisors (see below), whose sum is σ = 1304160. Its totient is φ = 592200.

The previous prime is 895579. The next prime is 895591. The reversal of 895581 is 185598.

It is not a de Polignac number, because 895581 - 2¹ = 895579 is a prime.

It is a super-2 number, since 2×895581² = 1604130655122, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 895581.

It is not an unprimeable number, because it can be changed into a prime (895571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1030 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (108680).

2⁸⁹⁵⁵⁸¹ is an apocalyptic number.

It is an amenable number.

895581 is a deficient number, since it is larger than the sum of its proper divisors (408579).

895581 is a wasteful number, since it uses less digits than its factorization.

895581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 813 counting only the distinct ones).

The product of its digits is 14400, while the sum is 36.

The square root of 895581 is about 946.3514146447. The cubic root of 895581 is about 96.3906607000.

The spelling of 895581 in words is "eight hundred ninety-five thousand, five hundred eighty-one".