2133966 has 16 divisors (see below), whose sum is σ = 4492800. Its totient is φ = 673848.

The previous prime is 2133949. The next prime is 2133973. The reversal of 2133966 is 6693312.

It is a happy number.

2133966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁷ + 1 + 3¹² + 3¹³ + 9² + 6³ + 6⁵ .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9246 + ... + 9473.

It is an arithmetic number, because the mean of its divisors is an integer number (280800).

2^2133966 is an apocalyptic number.

2133966 is an abundant number, since it is smaller than the sum of its proper divisors (2358834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2133966 is a wasteful number, since it uses less digits than its factorization.

2133966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18743.

The product of its digits is 5832, while the sum is 30.

The square root of 2133966 is about 1460.8100492535. The cubic root of 2133966 is about 128.7446423761.

The spelling of 2133966 in words is "two million, one hundred thirty-three thousand, nine hundred sixty-six".