995338889 has 2 divisors, whose sum is σ = 995338890. Its totient is φ = 995338888.

The previous prime is 995338853. The next prime is 995338907. The reversal of 995338889 is 988833599.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498405625 + 496933264 = 22325^2 + 22292^2 .

It is a cyclic number.

It is not a de Polignac number, because 995338889 - 2²⁰ = 994290313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (995338849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497669444 + 497669445.

It is an arithmetic number, because the mean of its divisors is an integer number (497669445).

Almost surely, 2^995338889 is an apocalyptic number.

It is an amenable number.

995338889 is a deficient number, since it is larger than the sum of its proper divisors (1).

995338889 is an equidigital number, since it uses as much as digits as its factorization.

995338889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16796160, while the sum is 62.

The square root of 995338889 is about 31548.9918856372. The cubic root of 995338889 is about 998.4438760677.

The spelling of 995338889 in words is "nine hundred ninety-five million, three hundred thirty-eight thousand, eight hundred eighty-nine".