5281808 has 30 divisors (see below), whose sum is σ = 11906046. Its totient is φ = 2263296.

The previous prime is 5281763. The next prime is 5281817. The reversal of 5281808 is 8081825.

It can be written as a sum of positive squares in only one way, i.e., 4528384 + 753424 = 2128^2 + 868^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2585 + ... + 4152.

Almost surely, 2^5281808 is an apocalyptic number.

It is an amenable number.

5281808 is an abundant number, since it is smaller than the sum of its proper divisors (6624238).

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

5281808 is a wasteful number, since it uses less digits than its factorization.

5281808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759 (or 6746 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 5281808 is about 2298.2184404447. The cubic root of 5281808 is about 174.1516271999.

The spelling of 5281808 in words is "five million, two hundred eighty-one thousand, eight hundred eight".