9987627 has 8 divisors (see below), whose sum is σ = 14341264. Its totient is φ = 6146208.

The previous prime is 9987617. The next prime is 9987643. The reversal of 9987627 is 7267899.

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

It is not a de Polignac number, because 9987627 - 2²² = 5793323 is a prime.

It is a super-2 number, since 2×9987627² = 199505386182258, which contains 22 as substring.

It is a Duffinian number.

9987627 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9987617) by changing a digit.

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, 128008 + ... + 128085.

It is an arithmetic number, because the mean of its divisors is an integer number (1792658).

Almost surely, 2^9987627 is an apocalyptic number.

9987627 is a deficient number, since it is larger than the sum of its proper divisors (4353637).

9987627 is a wasteful number, since it uses less digits than its factorization.

9987627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256109.

The product of its digits is 381024, while the sum is 48.

The square root of 9987627 is about 3160.3207115734. The cubic root of 9987627 is about 215.3545762627.

The spelling of 9987627 in words is "nine million, nine hundred eighty-seven thousand, six hundred twenty-seven".