9798780 has 48 divisors (see below), whose sum is σ = 27609120. Its totient is φ = 2596608.

The previous prime is 9798769. The next prime is 9798793. The reversal of 9798780 is 878979.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11406 + ... + 12234.

It is an arithmetic number, because the mean of its divisors is an integer number (575190).

Almost surely, 2^9798780 is an apocalyptic number.

It is an amenable number.

9798780 is an abundant number, since it is smaller than the sum of its proper divisors (17810340).

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

9798780 is a wasteful number, since it uses less digits than its factorization.

9798780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 48.

The square root of 9798780 is about 3130.3003050826. The cubic root of 9798780 is about 213.9886155763.

The spelling of 9798780 in words is "nine million, seven hundred ninety-eight thousand, seven hundred eighty".