9798156 has 18 divisors (see below), whose sum is σ = 24767652. Its totient is φ = 3266040.

The previous prime is 9798149. The next prime is 9798157. The reversal of 9798156 is 6518979.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×9798156² = 192007722000672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9798157) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136050 + ... + 136121.

Almost surely, 2^9798156 is an apocalyptic number.

It is an amenable number.

9798156 is an abundant number, since it is smaller than the sum of its proper divisors (14969496).

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

9798156 is a wasteful number, since it uses less digits than its factorization.

9798156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272181 (or 272176 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 9798156 is about 3130.2006325474. The cubic root of 9798156 is about 213.9840731152.

The spelling of 9798156 in words is "nine million, seven hundred ninety-eight thousand, one hundred fifty-six".