9866798 has 8 divisors (see below), whose sum is σ = 15079608. Its totient is φ = 4840264.

The previous prime is 9866797. The next prime is 9866803. The reversal of 9866798 is 8976689.

9866798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9866797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46436 + ... + 46647.

It is an arithmetic number, because the mean of its divisors is an integer number (1884951).

Almost surely, 2^9866798 is an apocalyptic number.

9866798 is a deficient number, since it is larger than the sum of its proper divisors (5212810).

9866798 is a wasteful number, since it uses less digits than its factorization.

9866798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93138.

The product of its digits is 1306368, while the sum is 53.

The square root of 9866798 is about 3141.1459692284. The cubic root of 9866798 is about 214.4826066317.

The spelling of 9866798 in words is "nine million, eight hundred sixty-six thousand, seven hundred ninety-eight".