9800398692 has 36 divisors (see below), whose sum is σ = 28312263616. Its totient is φ = 2800113840.

The previous prime is 9800398681. The next prime is 9800398733. The reversal of 9800398692 is 2968930089.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19444984 + ... + 19445487.

Almost surely, 2^9800398692 is an apocalyptic number.

It is an amenable number.

9800398692 is an abundant number, since it is smaller than the sum of its proper divisors (18511864924).

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

9800398692 is a wasteful number, since it uses less digits than its factorization.

9800398692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38890488 (or 38890483 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 9800398692 is about 98996.9630443278. The cubic root of 9800398692 is about 2140.0039808352.

The spelling of 9800398692 in words is "nine billion, eight hundred million, three hundred ninety-eight thousand, six hundred ninety-two".