7985530 has 48 divisors (see below), whose sum is σ = 17154720. Its totient is φ = 2667168.

The previous prime is 7985521. The next prime is 7985561. The reversal of 7985530 is 355897.

It is a self number, because there is not a number n which added to its sum of digits gives 7985530.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20881 + ... + 21259.

It is an arithmetic number, because the mean of its divisors is an integer number (357390).

Almost surely, 2^7985530 is an apocalyptic number.

7985530 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7985530 is an abundant number, since it is smaller than the sum of its proper divisors (9169190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7985530 is a wasteful number, since it uses less digits than its factorization.

7985530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 7985530 is about 2825.8680082410. The cubic root of 7985530 is about 199.8793438918.

It can be divided in two parts, 7985 and 530, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 7985530 in words is "seven million, nine hundred eighty-five thousand, five hundred thirty".