9825980 has 12 divisors (see below), whose sum is σ = 20634600. Its totient is φ = 3930384.

The previous prime is 9825971. The next prime is 9825997. The reversal of 9825980 is 895289.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245630 + ... + 245669.

It is an arithmetic number, because the mean of its divisors is an integer number (1719550).

Almost surely, 2^9825980 is an apocalyptic number.

It is an amenable number.

9825980 is an abundant number, since it is smaller than the sum of its proper divisors (10808620).

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

9825980 is a wasteful number, since it uses less digits than its factorization.

9825980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491308 (or 491306 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 9825980 is about 3134.6419253242. The cubic root of 9825980 is about 214.1864331624.

The spelling of 9825980 in words is "nine million, eight hundred twenty-five thousand, nine hundred eighty".