9850866 has 8 divisors (see below), whose sum is σ = 19701744. Its totient is φ = 3283620.

The previous prime is 9850861. The next prime is 9850889. The reversal of 9850866 is 6680589.

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

9850866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9850861) 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, 820900 + ... + 820911.

It is an arithmetic number, because the mean of its divisors is an integer number (2462718).

Almost surely, 2^9850866 is an apocalyptic number.

9850866 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.

9850866 is a wasteful number, since it uses less digits than its factorization.

9850866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641816.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 9850866 is about 3138.6089275346. The cubic root of 9850866 is about 214.3671021635.

The spelling of 9850866 in words is "nine million, eight hundred fifty thousand, eight hundred sixty-six".