989344339 has 2 divisors, whose sum is σ = 989344340. Its totient is φ = 989344338.

The previous prime is 989344337. The next prime is 989344403. The reversal of 989344339 is 933443989.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 989344339 - 2¹ = 989344337 is a prime.

It is a super-2 number, since 2×989344339² = 1957604442222693842, which contains 22 as substring.

Together with 989344337, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (989344331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494672169 + 494672170.

It is an arithmetic number, because the mean of its divisors is an integer number (494672170).

Almost surely, 2^989344339 is an apocalyptic number.

989344339 is a deficient number, since it is larger than the sum of its proper divisors (1).

989344339 is an equidigital number, since it uses as much as digits as its factorization.

989344339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 52.

The square root of 989344339 is about 31453.8445821810. The cubic root of 989344339 is about 996.4354218803.

The spelling of 989344339 in words is "nine hundred eighty-nine million, three hundred forty-four thousand, three hundred thirty-nine".