9906626 has 4 divisors (see below), whose sum is σ = 14859942. Its totient is φ = 4953312.

The previous prime is 9906599. The next prime is 9906653. The reversal of 9906626 is 6266099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6266099 = 7 ⋅895157.

It is an interprime number because it is at equal distance from previous prime (9906599) and next prime (9906653).

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 203401 = 3115^2 + 451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9906626.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2476655 + ... + 2476658.

Almost surely, 2^9906626 is an apocalyptic number.

9906626 is a deficient number, since it is larger than the sum of its proper divisors (4953316).

9906626 is a wasteful number, since it uses less digits than its factorization.

9906626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953315.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 9906626 is about 3147.4793089074. The cubic root of 9906626 is about 214.7708103952.

The spelling of 9906626 in words is "nine million, nine hundred six thousand, six hundred twenty-six".