98439629 has 2 divisors, whose sum is σ = 98439630. Its totient is φ = 98439628.

The previous prime is 98439623. The next prime is 98439631. The reversal of 98439629 is 92693489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97970404 + 469225 = 9898^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 98439629 - 2¹⁶ = 98374093 is a prime.

Together with 98439631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98439623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49219814 + 49219815.

It is an arithmetic number, because the mean of its divisors is an integer number (49219815).

Almost surely, 2^98439629 is an apocalyptic number.

It is an amenable number.

98439629 is a deficient number, since it is larger than the sum of its proper divisors (1).

98439629 is an equidigital number, since it uses as much as digits as its factorization.

98439629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 50.

The square root of 98439629 is about 9921.6747074272. The cubic root of 98439629 is about 461.7320163342.

The spelling of 98439629 in words is "ninety-eight million, four hundred thirty-nine thousand, six hundred twenty-nine".