895639 has 4 divisors (see below), whose sum is σ = 901800. Its totient is φ = 889480.

The previous prime is 895633. The next prime is 895649. The reversal of 895639 is 936598.

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 895639 - 2⁹ = 895127 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2857 + ... + 3154.

It is an arithmetic number, because the mean of its divisors is an integer number (225450).

2⁸⁹⁵⁶³⁹ is an apocalyptic number.

895639 is a deficient number, since it is larger than the sum of its proper divisors (6161).

895639 is a wasteful number, since it uses less digits than its factorization.

895639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160.

The product of its digits is 58320, while the sum is 40.

The square root of 895639 is about 946.3820581562. The cubic root of 895639 is about 96.3927414862.

The spelling of 895639 in words is "eight hundred ninety-five thousand, six hundred thirty-nine".