5621808 has 40 divisors (see below), whose sum is σ = 14628528. Its totient is φ = 1860352.

The previous prime is 5621779. The next prime is 5621809. The reversal of 5621808 is 8081265.

It is not an unprimeable number, because it can be changed into a prime (5621809) 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, 7966 + ... + 8642.

Almost surely, 2^5621808 is an apocalyptic number.

It is an amenable number.

5621808 is an abundant number, since it is smaller than the sum of its proper divisors (9006720).

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

5621808 is a wasteful number, since it uses less digits than its factorization.

5621808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 5621808 is about 2371.0352169464. The cubic root of 5621808 is about 177.8110185528.

The spelling of 5621808 in words is "five million, six hundred twenty-one thousand, eight hundred eight".