9866934 has 120 divisors (see below), whose sum is σ = 28305288. Its totient is φ = 2540160.

The previous prime is 9866903. The next prime is 9866951. The reversal of 9866934 is 4396689.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9866934.

It is a congruent number.

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 87262 + ... + 87374.

Almost surely, 2^9866934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9866934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152644).

9866934 is an abundant number, since it is smaller than the sum of its proper divisors (18438354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9866934 is a wasteful number, since it uses less digits than its factorization.

9866934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 136 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9866934 is about 3141.1676173041. The cubic root of 9866934 is about 214.4835920747.

The spelling of 9866934 in words is "nine million, eight hundred sixty-six thousand, nine hundred thirty-four".