5438736 has 60 divisors (see below), whose sum is σ = 15378480. Its totient is φ = 1794240.

The previous prime is 5438723. The next prime is 5438753. The reversal of 5438736 is 6378345.

It is a happy number.

5438736 is a `hidden beast` number, since 543 + 87 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5438736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25671 + ... + 25881.

It is an arithmetic number, because the mean of its divisors is an integer number (256308).

Almost surely, 2^5438736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5438736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7689240).

5438736 is an abundant number, since it is smaller than the sum of its proper divisors (9939744).

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

5438736 is a wasteful number, since it uses less digits than its factorization.

5438736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 395 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 5438736 is about 2332.1097744317. The cubic root of 5438736 is about 175.8595642804.

The spelling of 5438736 in words is "five million, four hundred thirty-eight thousand, seven hundred thirty-six".