995839 has 4 divisors (see below), whose sum is σ = 1072456. Its totient is φ = 919224.

The previous prime is 995833. The next prime is 995881. The reversal of 995839 is 938599.

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 995839 - 2⁹ = 995327 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 995795 and 995804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995833) 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, 38289 + ... + 38314.

It is an arithmetic number, because the mean of its divisors is an integer number (268114).

2⁹⁹⁵⁸³⁹ is an apocalyptic number.

995839 is a deficient number, since it is larger than the sum of its proper divisors (76617).

995839 is a wasteful number, since it uses less digits than its factorization.

995839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76616.

The product of its digits is 87480, while the sum is 43.

The square root of 995839 is about 997.9173312454. The cubic root of 995839 is about 99.8611071772.

The spelling of 995839 in words is "nine hundred ninety-five thousand, eight hundred thirty-nine".