9876530 has 16 divisors (see below), whose sum is σ = 18391320. Its totient is φ = 3814272.

The previous prime is 9876527. The next prime is 9876553. The reversal of 9876530 is 356789.

It can be written as a sum of positive squares in 4 ways, for example, as 9247681 + 628849 = 3041^2 + 793^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁵ + 8⁷ + 7⁸ + 6³ + 5⁹ + 3⁷ + 0 .

It is a Curzon number.

It is a nialpdrome in base 10.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 16739 + ... + 17318.

Almost surely, 2^9876530 is an apocalyptic number.

9876530 is a deficient number, since it is larger than the sum of its proper divisors (8514790).

9876530 is a wasteful number, since it uses less digits than its factorization.

9876530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34093.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 9876530 is about 3142.6947035944. The cubic root of 9876530 is about 214.5531009240.

The spelling of 9876530 in words is "nine million, eight hundred seventy-six thousand, five hundred thirty".