98445643 has 8 divisors (see below), whose sum is σ = 100683536. Its totient is φ = 96228000.

The previous prime is 98445577. The next prime is 98445653. The reversal of 98445643 is 34654489.

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-98445643 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 98445643.

It is not an unprimeable number, because it can be changed into a prime (98445653) 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, 4993 + ... + 14893.

It is an arithmetic number, because the mean of its divisors is an integer number (12585442).

Almost surely, 2^98445643 is an apocalyptic number.

98445643 is a deficient number, since it is larger than the sum of its proper divisors (2237893).

98445643 is a wasteful number, since it uses less digits than its factorization.

98445643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125.

The product of its digits is 414720, while the sum is 43.

The square root of 98445643 is about 9921.9777766330. The cubic root of 98445643 is about 461.7414190508.

The spelling of 98445643 in words is "ninety-eight million, four hundred forty-five thousand, six hundred forty-three".