2155326 has 16 divisors (see below), whose sum is σ = 4402944. Its totient is φ = 703064.

The previous prime is 2155319. The next prime is 2155327. The reversal of 2155326 is 6235512.

2155326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2155296 and 2155305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155327) 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 7 ways as a sum of consecutive naturals, for example, 3540 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

2^2155326 is an apocalyptic number.

2155326 is an abundant number, since it is smaller than the sum of its proper divisors (2247618).

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

2155326 is a wasteful number, since it uses less digits than its factorization.

2155326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7695.

The product of its digits is 1800, while the sum is 24.

The square root of 2155326 is about 1468.1028574320. The cubic root of 2155326 is about 129.1727749221.

The spelling of 2155326 in words is "two million, one hundred fifty-five thousand, three hundred twenty-six".