9898404412 has 24 divisors (see below), whose sum is σ = 18660586896. Its totient is φ = 4567049088.

The previous prime is 9898404401. The next prime is 9898404427. The reversal of 9898404412 is 2144048989.

It is a congruent number.

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, 145608 + ... + 202480.

It is an arithmetic number, because the mean of its divisors is an integer number (777524454).

Almost surely, 2^9898404412 is an apocalyptic number.

It is an amenable number.

9898404412 is a deficient number, since it is larger than the sum of its proper divisors (8762182484).

9898404412 is a wasteful number, since it uses less digits than its factorization.

9898404412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60237 (or 60235 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 9898404412 is about 99490.7252561765. The cubic root of 9898404412 is about 2147.1138061511.

The spelling of 9898404412 in words is "nine billion, eight hundred ninety-eight million, four hundred four thousand, four hundred twelve".