98644439 has 8 divisors (see below), whose sum is σ = 100064640. Its totient is φ = 97233336.

The previous prime is 98644417. The next prime is 98644453. The reversal of 98644439 is 93444689.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98644439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98644393 and 98644402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98644639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21272 + ... + 25490.

It is an arithmetic number, because the mean of its divisors is an integer number (12508080).

Almost surely, 2^98644439 is an apocalyptic number.

98644439 is a deficient number, since it is larger than the sum of its proper divisors (1420201).

98644439 is a wasteful number, since it uses less digits than its factorization.

98644439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4549.

The product of its digits is 746496, while the sum is 47.

The square root of 98644439 is about 9931.9906866650. The cubic root of 98644439 is about 462.0520155948.

The spelling of 98644439 in words is "ninety-eight million, six hundred forty-four thousand, four hundred thirty-nine".