988634833 has 2 divisors, whose sum is σ = 988634834. Its totient is φ = 988634832.

The previous prime is 988634827. The next prime is 988634879. The reversal of 988634833 is 338436889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 670654609 + 317980224 = 25897^2 + 17832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-988634833 is a prime.

It is not a weakly prime, because it can be changed into another prime (988634893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494317416 + 494317417.

It is an arithmetic number, because the mean of its divisors is an integer number (494317417).

Almost surely, 2^988634833 is an apocalyptic number.

It is an amenable number.

988634833 is a deficient number, since it is larger than the sum of its proper divisors (1).

988634833 is an equidigital number, since it uses as much as digits as its factorization.

988634833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 52.

The square root of 988634833 is about 31442.5640334881. The cubic root of 988634833 is about 996.1971677988.

The spelling of 988634833 in words is "nine hundred eighty-eight million, six hundred thirty-four thousand, eight hundred thirty-three".