9985530 has 16 divisors (see below), whose sum is σ = 23965344. Its totient is φ = 2662800.

The previous prime is 9985501. The next prime is 9985553. The reversal of 9985530 is 355899.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166396 + ... + 166455.

It is an arithmetic number, because the mean of its divisors is an integer number (1497834).

Almost surely, 2^9985530 is an apocalyptic number.

9985530 is an abundant number, since it is smaller than the sum of its proper divisors (13979814).

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

9985530 is a wasteful number, since it uses less digits than its factorization.

9985530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332861.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 9985530 is about 3159.9889240312. The cubic root of 9985530 is about 215.3395032744.

The spelling of 9985530 in words is "nine million, nine hundred eighty-five thousand, five hundred thirty".