9866704 has 10 divisors (see below), whose sum is σ = 19116770. Its totient is φ = 4933344.

The previous prime is 9866693. The next prime is 9866707. The reversal of 9866704 is 4076689.

It can be written as a sum of positive squares in only one way, i.e., 6451600 + 3415104 = 2540^2 + 1848^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9866707) by changing a digit.

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, 308319 + ... + 308350.

It is an arithmetic number, because the mean of its divisors is an integer number (1911677).

Almost surely, 2^9866704 is an apocalyptic number.

It is an amenable number.

9866704 is a deficient number, since it is larger than the sum of its proper divisors (9250066).

9866704 is a wasteful number, since it uses less digits than its factorization.

9866704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616677 (or 616671 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 9866704 is about 3141.1310065007. The cubic root of 9866704 is about 214.4819255114.

The spelling of 9866704 in words is "nine million, eight hundred sixty-six thousand, seven hundred four".