9819072 has 42 divisors (see below), whose sum is σ = 28146248. Its totient is φ = 3272832.

The previous prime is 9819053. The next prime is 9819079. The reversal of 9819072 is 2709189.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9819079) 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 5 ways as a sum of consecutive naturals, for example, 7948 + ... + 9099.

Almost surely, 2^9819072 is an apocalyptic number.

It is an amenable number.

9819072 is an abundant number, since it is smaller than the sum of its proper divisors (18327176).

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

9819072 is a wasteful number, since it uses less digits than its factorization.

9819072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065 (or 17052 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 9819072 is about 3133.5398513502. The cubic root of 9819072 is about 214.1362279326.

The spelling of 9819072 in words is "nine million, eight hundred nineteen thousand, seventy-two".