2198766 has 8 divisors (see below), whose sum is σ = 4397544. Its totient is φ = 732920.

The previous prime is 2198761. The next prime is 2198767. The reversal of 2198766 is 6678912.

2198766 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.

2198766 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198761) 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, 183225 + ... + 183236.

It is an arithmetic number, because the mean of its divisors is an integer number (549693).

2^2198766 is an apocalyptic number.

2198766 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.

2198766 is a wasteful number, since it uses less digits than its factorization.

2198766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366466.

The product of its digits is 36288, while the sum is 39.

The square root of 2198766 is about 1482.8236577557. The cubic root of 2198766 is about 130.0348230183.

The spelling of 2198766 in words is "two million, one hundred ninety-eight thousand, seven hundred sixty-six".