2321626 has 4 divisors (see below), whose sum is σ = 3482442. Its totient is φ = 1160812.

The previous prime is 2321623. The next prime is 2321647. The reversal of 2321626 is 6261232.

It is a happy number.

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., 2105401 + 216225 = 1451^2 + 465^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2³ + 3⁴ + 2¹⁷ + 1 + 6⁶ + 2²¹ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 2321597 and 2321606.

It is not an unprimeable number, because it can be changed into a prime (2321623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580405 + ... + 580408.

2^2321626 is an apocalyptic number.

2321626 is a deficient number, since it is larger than the sum of its proper divisors (1160816).

2321626 is a wasteful number, since it uses less digits than its factorization.

2321626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160815.

The product of its digits is 864, while the sum is 22.

The square root of 2321626 is about 1523.6882883320. The cubic root of 2321626 is about 132.4130389400.

Adding to 2321626 its reverse (6261232), we get a palindrome (8582858).

The spelling of 2321626 in words is "two million, three hundred twenty-one thousand, six hundred twenty-six".