2128326 has 16 divisors (see below), whose sum is σ = 4278000. Its totient is φ = 705888.

The previous prime is 2128319. The next prime is 2128327. The reversal of 2128326 is 6238212.

It is a d-powerful number, because it can be written as 2¹² + 1 + 2¹⁴ + 8⁴ + 3⁸ + 2²¹ + 6² .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2128296 and 2128305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 600 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (267375).

2^2128326 is an apocalyptic number.

2128326 is an abundant number, since it is smaller than the sum of its proper divisors (2149674).

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

2128326 is a wasteful number, since it uses less digits than its factorization.

2128326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783.

The product of its digits is 1152, while the sum is 24.

The square root of 2128326 is about 1458.8783362570. The cubic root of 2128326 is about 128.6311197259.

It can be divided in two parts, 2 and 128326, that multiplied together give a palindrome (256652).

The spelling of 2128326 in words is "two million, one hundred twenty-eight thousand, three hundred twenty-six".