98005663 has 24 divisors (see below), whose sum is σ = 122687136. Its totient is φ = 76423680.

The previous prime is 98005597. The next prime is 98005679. The reversal of 98005663 is 36650089.

It is not a de Polignac number, because 98005663 - 2²¹ = 95908511 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 (98005463) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113931 + ... + 114787.

It is an arithmetic number, because the mean of its divisors is an integer number (5111964).

Almost surely, 2^98005663 is an apocalyptic number.

98005663 is a deficient number, since it is larger than the sum of its proper divisors (24681473).

98005663 is a wasteful number, since it uses less digits than its factorization.

98005663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 98005663 is about 9899.7809571727. The cubic root of 98005663 is about 461.0525096133.

The spelling of 98005663 in words is "ninety-eight million, five thousand, six hundred sixty-three".