98220439 has 2 divisors, whose sum is σ = 98220440. Its totient is φ = 98220438.

The previous prime is 98220389. The next prime is 98220449. The reversal of 98220439 is 93402289.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98220439 - 2¹⁵ = 98187671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 98220398 and 98220407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98220449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49110219 + 49110220.

It is an arithmetic number, because the mean of its divisors is an integer number (49110220).

Almost surely, 2^98220439 is an apocalyptic number.

98220439 is a deficient number, since it is larger than the sum of its proper divisors (1).

98220439 is an equidigital number, since it uses as much as digits as its factorization.

98220439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 98220439 is about 9910.6225334234. The cubic root of 98220439 is about 461.3890573989.

The spelling of 98220439 in words is "ninety-eight million, two hundred twenty thousand, four hundred thirty-nine".