98447643 has 20 divisors (see below), whose sum is σ = 168073840. Its totient is φ = 56255472.

The previous prime is 98447641. The next prime is 98447647. The reversal of 98447643 is 34674489.

It is not a de Polignac number, because 98447643 - 2¹ = 98447641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98447641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86248 + ... + 87381.

It is an arithmetic number, because the mean of its divisors is an integer number (8403692).

Almost surely, 2^98447643 is an apocalyptic number.

98447643 is a deficient number, since it is larger than the sum of its proper divisors (69626197).

98447643 is a wasteful number, since it uses less digits than its factorization.

98447643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173648 (or 173639 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 98447643 is about 9922.0785624787. The cubic root of 98447643 is about 461.7445459086.

The spelling of 98447643 in words is "ninety-eight million, four hundred forty-seven thousand, six hundred forty-three".