9998461842 has 16 divisors (see below), whose sum is σ = 20154381312. Its totient is φ = 3306577680.

The previous prime is 9998461769. The next prime is 9998461861. The reversal of 9998461842 is 2481648999.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6559909 + ... + 6561432.

It is an arithmetic number, because the mean of its divisors is an integer number (1259648832).

Almost surely, 2^9998461842 is an apocalyptic number.

9998461842 is an abundant number, since it is smaller than the sum of its proper divisors (10155919470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9998461842 is a wasteful number, since it uses less digits than its factorization.

9998461842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13121473.

The product of its digits is 8957952, while the sum is 60.

The square root of 9998461842 is about 99992.3089142360. The cubic root of 9998461842 is about 2154.3242223360.

The spelling of 9998461842 in words is "nine billion, nine hundred ninety-eight million, four hundred sixty-one thousand, eight hundred forty-two".