5338640 has 20 divisors (see below), whose sum is σ = 12412524. Its totient is φ = 2135424.

The previous prime is 5338633. The next prime is 5338649. The reversal of 5338640 is 468335.

It can be written as a sum of positive squares in 2 ways, for example, as 4048144 + 1290496 = 2012^2 + 1136^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5338649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33287 + ... + 33446.

Almost surely, 2^5338640 is an apocalyptic number.

It is an amenable number.

5338640 is an abundant number, since it is smaller than the sum of its proper divisors (7073884).

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

5338640 is a wasteful number, since it uses less digits than its factorization.

5338640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66746 (or 66740 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 5338640 is about 2310.5497181407. The cubic root of 5338640 is about 174.7740212428.

The spelling of 5338640 in words is "five million, three hundred thirty-eight thousand, six hundred forty".