9806040 has 48 divisors (see below), whose sum is σ = 31870800. Its totient is φ = 2614848.

The previous prime is 9806039. The next prime is 9806047. The reversal of 9806040 is 406089.

It is a junction number, because it is equal to n+sod(n) for n = 9805995 and 9806013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9806047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13260 + ... + 13979.

It is an arithmetic number, because the mean of its divisors is an integer number (663975).

Almost surely, 2^9806040 is an apocalyptic number.

9806040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9806040 is an abundant number, since it is smaller than the sum of its proper divisors (22064760).

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

9806040 is a wasteful number, since it uses less digits than its factorization.

9806040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27256 (or 27249 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 9806040 is about 3131.4597235155. The cubic root of 9806040 is about 214.0414511955.

The spelling of 9806040 in words is "nine million, eight hundred six thousand, forty".