9988067 has 4 divisors (see below), whose sum is σ = 10128816. Its totient is φ = 9847320.

The previous prime is 9988063. The next prime is 9988073. The reversal of 9988067 is 7608899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7608899 = 577 ⋅13187.

It is a cyclic number.

It is not a de Polignac number, because 9988067 - 2² = 9988063 is a prime.

It is a super-2 number, since 2×9988067² = 199522964792978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9988063) 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 3 ways as a sum of consecutive naturals, for example, 70268 + ... + 70409.

It is an arithmetic number, because the mean of its divisors is an integer number (2532204).

Almost surely, 2^9988067 is an apocalyptic number.

9988067 is a deficient number, since it is larger than the sum of its proper divisors (140749).

9988067 is a wasteful number, since it uses less digits than its factorization.

9988067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140748.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 9988067 is about 3160.3903239948. The cubic root of 9988067 is about 215.3577386629.

The spelling of 9988067 in words is "nine million, nine hundred eighty-eight thousand, sixty-seven".