9400866 has 8 divisors (see below), whose sum is σ = 18801744. Its totient is φ = 3133620.

The previous prime is 9400861. The next prime is 9400871. The reversal of 9400866 is 6680049.

It is an interprime number because it is at equal distance from previous prime (9400861) and next prime (9400871).

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

9400866 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9400861) 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 in 3 ways as a sum of consecutive naturals, for example, 783400 + ... + 783411.

It is an arithmetic number, because the mean of its divisors is an integer number (2350218).

Almost surely, 2^9400866 is an apocalyptic number.

9400866 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.

9400866 is a wasteful number, since it uses less digits than its factorization.

9400866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566816.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 9400866 is about 3066.0831691264. The cubic root of 9400866 is about 211.0519102905.

The spelling of 9400866 in words is "nine million, four hundred thousand, eight hundred sixty-six".