5437638 has 32 divisors (see below), whose sum is σ = 12215520. Its totient is φ = 1792800.

The previous prime is 5437613. The next prime is 5437639. The reversal of 5437638 is 8367345.

It is a happy number.

5437638 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5437639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4956 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (381735).

Almost surely, 2^5437638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5437638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6107760).

5437638 is an abundant number, since it is smaller than the sum of its proper divisors (6777882).

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

5437638 is a wasteful number, since it uses less digits than its factorization.

5437638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

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

The square root of 5437638 is about 2331.8743533904. The cubic root of 5437638 is about 175.8477290061.

The spelling of 5437638 in words is "five million, four hundred thirty-seven thousand, six hundred thirty-eight".