9840868 has 6 divisors (see below), whose sum is σ = 17221526. Its totient is φ = 4920432.

The previous prime is 9840839. The next prime is 9840869. The reversal of 9840868 is 8680489.

It can be written as a sum of positive squares in only one way, i.e., 9290304 + 550564 = 3048^2 + 742^2 .

It is not an unprimeable number, because it can be changed into a prime (9840869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230105 + ... + 1230112.

Almost surely, 2^9840868 is an apocalyptic number.

It is an amenable number.

9840868 is a deficient number, since it is larger than the sum of its proper divisors (7380658).

9840868 is a wasteful number, since it uses less digits than its factorization.

9840868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460221 (or 2460219 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 9840868 is about 3137.0157793674. The cubic root of 9840868 is about 214.2945546406.

The spelling of 9840868 in words is "nine million, eight hundred forty thousand, eight hundred sixty-eight".