995979 has 16 divisors (see below), whose sum is σ = 1434240. Its totient is φ = 612480.

The previous prime is 995959. The next prime is 995983. The reversal of 995979 is 979599.

It is not a de Polignac number, because 995979 - 2¹² = 991883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (995909) 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 15 ways as a sum of consecutive naturals, for example, 2844 + ... + 3174.

It is an arithmetic number, because the mean of its divisors is an integer number (89640).

2⁹⁹⁵⁹⁷⁹ is an apocalyptic number.

995979 is a deficient number, since it is larger than the sum of its proper divisors (438261).

995979 is a wasteful number, since it uses less digits than its factorization.

995979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its digits is 229635, while the sum is 48.

The square root of 995979 is about 997.9874748713. The cubic root of 995979 is about 99.8657866149.

The spelling of 995979 in words is "nine hundred ninety-five thousand, nine hundred seventy-nine".