2321826 has 48 divisors (see below), whose sum is σ = 5363904. Its totient is φ = 665856.

The previous prime is 2321821. The next prime is 2321863. The reversal of 2321826 is 6281232.

2321826 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 = 2321796 and 2321805.

It is not an unprimeable number, because it can be changed into a prime (2321821) 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 23 ways as a sum of consecutive naturals, for example, 22491 + ... + 22593.

It is an arithmetic number, because the mean of its divisors is an integer number (111748).

2^2321826 is an apocalyptic number.

2321826 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2321826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681952).

2321826 is an abundant number, since it is smaller than the sum of its proper divisors (3042078).

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

2321826 is a wasteful number, since it uses less digits than its factorization.

2321826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 138 counting only the distinct ones).

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

The square root of 2321826 is about 1523.7539171402. The cubic root of 2321826 is about 132.4168411383.

The spelling of 2321826 in words is "two million, three hundred twenty-one thousand, eight hundred twenty-six".