988089449 has 2 divisors, whose sum is σ = 988089450. Its totient is φ = 988089448.

The previous prime is 988089379. The next prime is 988089451. The reversal of 988089449 is 944980889.

988089449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 973128025 + 14961424 = 31195^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 988089449 - 2¹² = 988085353 is a prime.

Together with 988089451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (988089049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494044724 + 494044725.

It is an arithmetic number, because the mean of its divisors is an integer number (494044725).

Almost surely, 2^988089449 is an apocalyptic number.

It is an amenable number.

988089449 is a deficient number, since it is larger than the sum of its proper divisors (1).

988089449 is an equidigital number, since it uses as much as digits as its factorization.

988089449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5971968, while the sum is 59.

The square root of 988089449 is about 31433.8901346938. The cubic root of 988089449 is about 996.0139488404.

The spelling of 988089449 in words is "nine hundred eighty-eight million, eighty-nine thousand, four hundred forty-nine".