2129733 has 10 divisors (see below), whose sum is σ = 3181574. Its totient is φ = 1419768.

The previous prime is 2129719. The next prime is 2129741. The reversal of 2129733 is 3379212.

2129733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 3969 = 1458^2 + 63^2 .

It is not a de Polignac number, because 2129733 - 2⁹ = 2129221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2129697 and 2129706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129713) 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 9 ways as a sum of consecutive naturals, for example, 13066 + ... + 13227.

2^2129733 is an apocalyptic number.

It is an amenable number.

2129733 is a deficient number, since it is larger than the sum of its proper divisors (1051841).

2129733 is an equidigital number, since it uses as much as digits as its factorization.

2129733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26305 (or 26296 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2129733 is about 1459.3604763731. The cubic root of 2129733 is about 128.6594587614.

The spelling of 2129733 in words is "two million, one hundred twenty-nine thousand, seven hundred thirty-three".