98319647 has 4 divisors (see below), whose sum is σ = 98340576. Its totient is φ = 98298720.

The previous prime is 98319601. The next prime is 98319649. The reversal of 98319647 is 74691389.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98319647 - 2⁶ = 98319583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98319649) 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 in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 14024.

It is an arithmetic number, because the mean of its divisors is an integer number (24585144).

Almost surely, 2^98319647 is an apocalyptic number.

98319647 is a deficient number, since it is larger than the sum of its proper divisors (20929).

98319647 is a wasteful number, since it uses less digits than its factorization.

98319647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20928.

The product of its digits is 326592, while the sum is 47.

The square root of 98319647 is about 9915.6264048218. The cubic root of 98319647 is about 461.5443478302.

The spelling of 98319647 in words is "ninety-eight million, three hundred nineteen thousand, six hundred forty-seven".