9973028 has 18 divisors (see below), whose sum is σ = 18899874. Its totient is φ = 4602624.

The previous prime is 9973027. The next prime is 9973049. The reversal of 9973028 is 8203799.

It can be written as a sum of positive squares in 3 ways, for example, as 64 + 9972964 = 8^2 + 3158^2 .

It is a super-2 number, since 2×9973028² = 198922574977568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9972982 and 9973000.

It is not an unprimeable number, because it can be changed into a prime (9973021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6701 + ... + 8052.

It is an arithmetic number, because the mean of its divisors is an integer number (1049993).

Almost surely, 2^9973028 is an apocalyptic number.

It is an amenable number.

9973028 is a deficient number, since it is larger than the sum of its proper divisors (8926846).

9973028 is a wasteful number, since it uses less digits than its factorization.

9973028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783 (or 14768 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 9973028 is about 3158.0101329793. The cubic root of 9973028 is about 215.2495965528.

The spelling of 9973028 in words is "nine million, nine hundred seventy-three thousand, twenty-eight".