9887622 has 8 divisors (see below), whose sum is σ = 19775256. Its totient is φ = 3295872.

The previous prime is 9887617. The next prime is 9887629. The reversal of 9887622 is 2267889.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

9887622 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9887629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823963 + ... + 823974.

It is an arithmetic number, because the mean of its divisors is an integer number (2471907).

Almost surely, 2^9887622 is an apocalyptic number.

9887622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9887622 is a wasteful number, since it uses less digits than its factorization.

9887622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647942.

The product of its digits is 96768, while the sum is 42.

The square root of 9887622 is about 3144.4589359697. The cubic root of 9887622 is about 214.6333900084.

The spelling of 9887622 in words is "nine million, eight hundred eighty-seven thousand, six hundred twenty-two".