98431339 has 2 divisors, whose sum is σ = 98431340. Its totient is φ = 98431338.

The previous prime is 98431327. The next prime is 98431357. The reversal of 98431339 is 93313489.

It is a weak prime.

It is an emirp because it is prime and its reverse (93313489) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98431339 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98431639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49215669 + 49215670.

It is an arithmetic number, because the mean of its divisors is an integer number (49215670).

Almost surely, 2^98431339 is an apocalyptic number.

98431339 is a deficient number, since it is larger than the sum of its proper divisors (1).

98431339 is an equidigital number, since it uses as much as digits as its factorization.

98431339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 40.

The square root of 98431339 is about 9921.2569264181. The cubic root of 98431339 is about 461.7190545291.

It can be divided in two parts, 984 and 31339, that added together give a palindrome (32323).

The spelling of 98431339 in words is "ninety-eight million, four hundred thirty-one thousand, three hundred thirty-nine".