2133946 has 4 divisors (see below), whose sum is σ = 3200922. Its totient is φ = 1066972.

The previous prime is 2133899. The next prime is 2133949. The reversal of 2133946 is 6493312.

2133946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1476225 + 657721 = 1215^2 + 811^2 .

It is not an unprimeable number, because it can be changed into a prime (2133949) 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 as a sum of consecutive naturals, namely, 533485 + ... + 533488.

2^2133946 is an apocalyptic number.

2133946 is a deficient number, since it is larger than the sum of its proper divisors (1066976).

2133946 is a wasteful number, since it uses less digits than its factorization.

2133946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066975.

The product of its digits is 3888, while the sum is 28.

The square root of 2133946 is about 1460.8032037205. The cubic root of 2133946 is about 128.7442401671.

The spelling of 2133946 in words is "two million, one hundred thirty-three thousand, nine hundred forty-six".