9998671924 has 96 divisors (see below), whose sum is σ = 19545007104. Its totient is φ = 4454645760.

The previous prime is 9998671897. The next prime is 9998671931. The reversal of 9998671924 is 4291768999.

9998671924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×9998671924³ (a number of 31 digits) contains 333 as substring.

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 31 ways as a sum of consecutive naturals, for example, 21878704 + ... + 21879160.

It is an arithmetic number, because the mean of its divisors is an integer number (203593824).

Almost surely, 2^9998671924 is an apocalyptic number.

It is an amenable number.

9998671924 is a deficient number, since it is larger than the sum of its proper divisors (9546335180).

9998671924 is a wasteful number, since it uses less digits than its factorization.

9998671924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 711 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 64.

The square root of 9998671924 is about 99993.3593995121. The cubic root of 9998671924 is about 2154.3393107092.

The spelling of 9998671924 in words is "nine billion, nine hundred ninety-eight million, six hundred seventy-one thousand, nine hundred twenty-four".