9820730 has 32 divisors (see below), whose sum is σ = 19187280. Its totient is φ = 3604480.

The previous prime is 9820729. The next prime is 9820751. The reversal of 9820730 is 370289.

It can be written as a sum of positive squares in 8 ways, for example, as 573049 + 9247681 = 757^2 + 3041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9820693 and 9820702.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6266 + ... + 7674.

Almost surely, 2^9820730 is an apocalyptic number.

9820730 is a deficient number, since it is larger than the sum of its proper divisors (9366550).

9820730 is a wasteful number, since it uses less digits than its factorization.

9820730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 9820730 is about 3133.8043972144. The cubic root of 9820730 is about 214.1482799162.

The spelling of 9820730 in words is "nine million, eight hundred twenty thousand, seven hundred thirty".