9895780 has 12 divisors (see below), whose sum is σ = 20781180. Its totient is φ = 3958304.

The previous prime is 9895763. The next prime is 9895793. The reversal of 9895780 is 875989.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 7354944 = 1594^2 + 2712^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9895780.

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, 247375 + ... + 247414.

It is an arithmetic number, because the mean of its divisors is an integer number (1731765).

Almost surely, 2^9895780 is an apocalyptic number.

It is an amenable number.

9895780 is an abundant number, since it is smaller than the sum of its proper divisors (10885400).

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

9895780 is a wasteful number, since it uses less digits than its factorization.

9895780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494798 (or 494796 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The square root of 9895780 is about 3145.7558710110. The cubic root of 9895780 is about 214.6924031144.

The spelling of 9895780 in words is "nine million, eight hundred ninety-five thousand, seven hundred eighty".