995659 has 4 divisors (see below), whose sum is σ = 1137904. Its totient is φ = 853416.

The previous prime is 995651. The next prime is 995663. The reversal of 995659 is 956599.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956599 = 7 ⋅136657.

It is a cyclic number.

It is not a de Polignac number, because 995659 - 2³ = 995651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71112 + ... + 71125.

It is an arithmetic number, because the mean of its divisors is an integer number (284476).

2⁹⁹⁵⁶⁵⁹ is an apocalyptic number.

995659 is a deficient number, since it is larger than the sum of its proper divisors (142245).

995659 is a wasteful number, since it uses less digits than its factorization.

995659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142244.

The product of its digits is 109350, while the sum is 43.

The square root of 995659 is about 997.8271393383. The cubic root of 995659 is about 99.8550901127.

Subtracting from 995659 its reverse (956599), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 995659 in words is "nine hundred ninety-five thousand, six hundred fifty-nine".