98739965 has 8 divisors (see below), whose sum is σ = 119537208. Its totient is φ = 78292480.

The previous prime is 98739959. The next prime is 98740001. The reversal of 98739965 is 56993789.

It can be written as a sum of positive squares in 4 ways, for example, as 9229444 + 89510521 = 3038^2 + 9461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-98739965 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98739965.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86816 + ... + 87945.

It is an arithmetic number, because the mean of its divisors is an integer number (14942151).

Almost surely, 2^98739965 is an apocalyptic number.

It is an amenable number.

98739965 is a deficient number, since it is larger than the sum of its proper divisors (20797243).

98739965 is a wasteful number, since it uses less digits than its factorization.

98739965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174879.

The product of its digits is 3674160, while the sum is 56.

The square root of 98739965 is about 9936.7985287013. The cubic root of 98739965 is about 462.2011158766.

The spelling of 98739965 in words is "ninety-eight million, seven hundred thirty-nine thousand, nine hundred sixty-five".