9809072 has 40 divisors (see below), whose sum is σ = 23394336. Its totient is φ = 3879936.

The previous prime is 9809071. The next prime is 9809077. The reversal of 9809072 is 2709089.

It is not an unprimeable number, because it can be changed into a prime (9809071) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1913 + ... + 4824.

Almost surely, 2^9809072 is an apocalyptic number.

It is an amenable number.

9809072 is an abundant number, since it is smaller than the sum of its proper divisors (13585264).

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

9809072 is a wasteful number, since it uses less digits than its factorization.

9809072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6765 (or 6759 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 9809072 is about 3131.9438053707. The cubic root of 9809072 is about 214.0635092605.

The spelling of 9809072 in words is "nine million, eight hundred nine thousand, seventy-two".