995809128 has 16 divisors (see below), whose sum is σ = 2489522880. Its totient is φ = 331936368.

The previous prime is 995809123. The next prime is 995809181. The reversal of 995809128 is 821908599.

It is not an unprimeable number, because it can be changed into a prime (995809123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20746000 + ... + 20746047.

It is an arithmetic number, because the mean of its divisors is an integer number (155595180).

Almost surely, 2^995809128 is an apocalyptic number.

It is an amenable number.

995809128 is an abundant number, since it is smaller than the sum of its proper divisors (1493713752).

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

995809128 is a wasteful number, since it uses less digits than its factorization.

995809128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41492056 (or 41492052 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 51.

The square root of 995809128 is about 31556.4435258475. The cubic root of 995809128 is about 998.6010866206.

The spelling of 995809128 in words is "nine hundred ninety-five million, eight hundred nine thousand, one hundred twenty-eight".