9886506 has 32 divisors (see below), whose sum is σ = 23379840. Its totient is φ = 2726976.

The previous prime is 9886493. The next prime is 9886507. The reversal of 9886506 is 6056889.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9886507) by changing a digit.

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, 2841 + ... + 5276.

It is an arithmetic number, because the mean of its divisors is an integer number (730620).

Almost surely, 2^9886506 is an apocalyptic number.

9886506 is an abundant number, since it is smaller than the sum of its proper divisors (13493334).

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

9886506 is a wasteful number, since it uses less digits than its factorization.

9886506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 9886506 is about 3144.2814759496. The cubic root of 9886506 is about 214.6253145960.

The spelling of 9886506 in words is "nine million, eight hundred eighty-six thousand, five hundred six".