992330289 has 12 divisors (see below), whose sum is σ = 1460411316. Its totient is φ = 649071072.

The previous prime is 992330281. The next prime is 992330291. The reversal of 992330289 is 982033299.

It can be written as a sum of positive squares in 2 ways, for example, as 376049664 + 616280625 = 19392^2 + 24825^2 .

It is not a de Polignac number, because 992330289 - 2³ = 992330281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (992330281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039702 + ... + 1040655.

It is an arithmetic number, because the mean of its divisors is an integer number (121700943).

Almost surely, 2^992330289 is an apocalyptic number.

It is an amenable number.

992330289 is a deficient number, since it is larger than the sum of its proper divisors (468081027).

992330289 is a wasteful number, since it uses less digits than its factorization.

992330289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080416 (or 2080413 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 992330289 is about 31501.2744027920. The cubic root of 992330289 is about 997.4368656218.

The spelling of 992330289 in words is "nine hundred ninety-two million, three hundred thirty thousand, two hundred eighty-nine".