895645 has 16 divisors (see below), whose sum is σ = 1170288. Its totient is φ = 655360.

The previous prime is 895633. The next prime is 895649. The reversal of 895645 is 546598.

It can be written as a sum of positive squares in 8 ways, for example, as 13924 + 881721 = 118^2 + 939^2 .

It is not a de Polignac number, because 895645 - 2⁵ = 895613 is a prime.

It is a Duffinian number.

Its product of digits (43200) is a multiple of the sum of its prime divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (73143).

2⁸⁹⁵⁶⁴⁵ is an apocalyptic number.

895645 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

895645 is a deficient number, since it is larger than the sum of its proper divisors (274643).

895645 is a wasteful number, since it uses less digits than its factorization.

895645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its digits is 43200, while the sum is 37.

The square root of 895645 is about 946.3852281180. The cubic root of 895645 is about 96.3929567348.

It can be divided in two parts, 895 and 645, that multiplied together give a triangular number (577275 = T₁₀₇₄).

The spelling of 895645 in words is "eight hundred ninety-five thousand, six hundred forty-five".