9806646 has 8 divisors (see below), whose sum is σ = 19613304. Its totient is φ = 3268880.

The previous prime is 9806639. The next prime is 9806653. The reversal of 9806646 is 6466089.

9806646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9806639) and next prime (9806653).

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

9806646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817215 + ... + 817226.

It is an arithmetic number, because the mean of its divisors is an integer number (2451663).

Almost surely, 2^9806646 is an apocalyptic number.

9806646 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.

9806646 is a wasteful number, since it uses less digits than its factorization.

9806646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634446.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 9806646 is about 3131.5564820070. The cubic root of 9806646 is about 214.0458602620.

It can be divided in two parts, 980 and 6646, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 9806646 in words is "nine million, eight hundred six thousand, six hundred forty-six".