9332821 has 2 divisors, whose sum is σ = 9332822. Its totient is φ = 9332820.

The previous prime is 9332803. The next prime is 9332887. The reversal of 9332821 is 1282339.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4901796 + 4431025 = 2214^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 9332821 - 2¹⁷ = 9201749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9332821.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9332801) 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 as a sum of consecutive naturals, namely, 4666410 + 4666411.

It is an arithmetic number, because the mean of its divisors is an integer number (4666411).

Almost surely, 2^9332821 is an apocalyptic number.

It is an amenable number.

9332821 is a deficient number, since it is larger than the sum of its proper divisors (1).

9332821 is an equidigital number, since it uses as much as digits as its factorization.

9332821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 28.

The square root of 9332821 is about 3054.9666119288. The cubic root of 9332821 is about 210.5414673733.

It can be divided in two parts, 9332 and 821, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 9332821 in words is "nine million, three hundred thirty-two thousand, eight hundred twenty-one".