98553439 has 2 divisors, whose sum is σ = 98553440. Its totient is φ = 98553438.

The previous prime is 98553419. The next prime is 98553443. The reversal of 98553439 is 93435589.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98553439 - 2¹³ = 98545247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98553419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49276719 + 49276720.

It is an arithmetic number, because the mean of its divisors is an integer number (49276720).

Almost surely, 2^98553439 is an apocalyptic number.

98553439 is a deficient number, since it is larger than the sum of its proper divisors (1).

98553439 is an equidigital number, since it uses as much as digits as its factorization.

98553439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 46.

The square root of 98553439 is about 9927.4084735141. The cubic root of 98553439 is about 461.9098900987.

The spelling of 98553439 in words is "ninety-eight million, five hundred fifty-three thousand, four hundred thirty-nine".