995840 has 40 divisors (see below), whose sum is σ = 2393820. Its totient is φ = 397312.

The previous prime is 995833. The next prime is 995881. The reversal of 995840 is 48599.

It can be written as a sum of positive squares in 2 ways, for example, as 952576 + 43264 = 976^2 + 208^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 995840.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 995840.

It is an unprimeable number.

995840 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2366 + ... + 2754.

2⁹⁹⁵⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 995840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1196910).

995840 is an abundant number, since it is smaller than the sum of its proper divisors (1397980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

995840 is an equidigital number, since it uses as much as digits as its factorization.

995840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 995840 is about 997.9178322888. The cubic root of 995840 is about 99.8611406033.

The spelling of 995840 in words is "nine hundred ninety-five thousand, eight hundred forty".