995980 has 24 divisors (see below), whose sum is σ = 2202480. Its totient is φ = 377280.

The previous prime is 995959. The next prime is 995983. The reversal of 995980 is 89599.

995980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995983) by changing a digit.

995980 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (91770).

2⁹⁹⁵⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

995980 is an abundant number, since it is smaller than the sum of its proper divisors (1206500).

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

995980 is a wasteful number, since it uses less digits than its factorization.

995980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 995980 is about 997.9879758795. The cubic root of 995980 is about 99.8658200379.

The spelling of 995980 in words is "nine hundred ninety-five thousand, nine hundred eighty".