2008621 has 2 divisors, whose sum is σ = 2008622. Its totient is φ = 2008620.

The previous prime is 2008571. The next prime is 2008637. The reversal of 2008621 is 1268002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1974025 + 34596 = 1405^2 + 186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008621 - 2⁷ = 2008493 is a prime.

2008621 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2008691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004310 + 1004311.

It is an arithmetic number, because the mean of its divisors is an integer number (1004311).

2^2008621 is an apocalyptic number.

It is an amenable number.

2008621 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008621 is an equidigital number, since it uses as much as digits as its factorization.

2008621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2008621 is about 1417.2582686300. The cubic root of 2008621 is about 126.1728751573.

The spelling of 2008621 in words is "two million, eight thousand, six hundred twenty-one".