5287240 has 64 divisors (see below), whose sum is σ = 14204160. Its totient is φ = 1731840.

The previous prime is 5287229. The next prime is 5287253. The reversal of 5287240 is 427825.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 5287199 and 5287208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6030 + ... + 6850.

It is an arithmetic number, because the mean of its divisors is an integer number (221940).

Almost surely, 2^5287240 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 5287240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7102080).

5287240 is an abundant number, since it is smaller than the sum of its proper divisors (8916920).

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

5287240 is a wasteful number, since it uses less digits than its factorization.

5287240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 858 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 5287240 is about 2299.3999217187. The cubic root of 5287240 is about 174.2113079965.

The spelling of 5287240 in words is "five million, two hundred eighty-seven thousand, two hundred forty".