9673021 has 4 divisors (see below), whose sum is σ = 9934492. Its totient is φ = 9411552.

The previous prime is 9673003. The next prime is 9673043. The reversal of 9673021 is 1203769.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3980025 + 5692996 = 1995^2 + 2386^2 .

It is a cyclic number.

It is not a de Polignac number, because 9673021 - 2¹⁷ = 9541949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9673921) 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 3 ways as a sum of consecutive naturals, for example, 130680 + ... + 130753.

It is an arithmetic number, because the mean of its divisors is an integer number (2483623).

Almost surely, 2^9673021 is an apocalyptic number.

It is an amenable number.

9673021 is a deficient number, since it is larger than the sum of its proper divisors (261471).

9673021 is a wasteful number, since it uses less digits than its factorization.

9673021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261470.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 9673021 is about 3110.1480672148. The cubic root of 9673021 is about 213.0692171469.

The spelling of 9673021 in words is "nine million, six hundred seventy-three thousand, twenty-one".