5388240 has 160 divisors (see below), whose sum is σ = 19748736. Its totient is φ = 1198080.

The previous prime is 5388193. The next prime is 5388241. The reversal of 5388240 is 428835.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5388198 and 5388207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5388241) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 34242 + ... + 34398.

Almost surely, 2^5388240 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 5388240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9874368).

5388240 is an abundant number, since it is smaller than the sum of its proper divisors (14360496).

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

5388240 is a wasteful number, since it uses less digits than its factorization.

5388240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 5388240 is about 2321.2582794683. The cubic root of 5388240 is about 175.3136145118.

It can be divided in two parts, 538 and 8240, that added together give a palindrome (8778).

The spelling of 5388240 in words is "five million, three hundred eighty-eight thousand, two hundred forty".