995409 has 10 divisors (see below), whose sum is σ = 1487090. Its totient is φ = 663552.

The previous prime is 995399. The next prime is 995431. The reversal of 995409 is 904599.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 50625 = 972^2 + 225^2 .

It is not a de Polignac number, because 995409 - 2⁵ = 995377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (995009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6064 + ... + 6225.

It is an arithmetic number, because the mean of its divisors is an integer number (148709).

2⁹⁹⁵⁴⁰⁹ is an apocalyptic number.

It is an amenable number.

995409 is a deficient number, since it is larger than the sum of its proper divisors (491681).

995409 is a wasteful number, since it uses less digits than its factorization.

995409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12301 (or 12292 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 995409 is about 997.7018592746. The cubic root of 995409 is about 99.8467318755.

The spelling of 995409 in words is "nine hundred ninety-five thousand, four hundred nine".