9821073 has 8 divisors (see below), whose sum is σ = 13373568. Its totient is φ = 6407984.

The previous prime is 9821051. The next prime is 9821107. The reversal of 9821073 is 3701289.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9821073 - 2¹⁰ = 9820049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9821073.

It is not an unprimeable number, because it can be changed into a prime (9821033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34686 + ... + 34967.

It is an arithmetic number, because the mean of its divisors is an integer number (1671696).

Almost surely, 2^9821073 is an apocalyptic number.

It is an amenable number.

9821073 is a deficient number, since it is larger than the sum of its proper divisors (3552495).

9821073 is a wasteful number, since it uses less digits than its factorization.

9821073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69703.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 9821073 is about 3133.8591225516. The cubic root of 9821073 is about 214.1507730101.

The spelling of 9821073 in words is "nine million, eight hundred twenty-one thousand, seventy-three".