9966627 has 12 divisors (see below), whose sum is σ = 15705144. Its totient is φ = 6040320.

The previous prime is 9966623. The next prime is 9966629. The reversal of 9966627 is 7266699.

It is not a de Polignac number, because 9966627 - 2² = 9966623 is a prime.

It is a super-3 number, since 3×9966627³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁷ + 9⁷ + 6⁴ + 6⁴ + 6⁷ + 2⁹ + 7⁶ .

It is not an unprimeable number, because it can be changed into a prime (9966623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50238 + ... + 50435.

It is an arithmetic number, because the mean of its divisors is an integer number (1308762).

Almost surely, 2^9966627 is an apocalyptic number.

9966627 is a deficient number, since it is larger than the sum of its proper divisors (5738517).

9966627 is a wasteful number, since it uses less digits than its factorization.

9966627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100690 (or 100687 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 9966627 is about 3156.9965156775. The cubic root of 9966627 is about 215.2035353984.

The spelling of 9966627 in words is "nine million, nine hundred sixty-six thousand, six hundred twenty-seven".