5289840 has 160 divisors (see below), whose sum is σ = 19046400. Its totient is φ = 1347840.

The previous prime is 5289833. The next prime is 5289841. The reversal of 5289840 is 489825.

5289840 is a `hidden beast` number, since 528 + 98 + 40 = 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 junction number, because it is equal to n+sod(n) for n = 5289795 and 5289804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5289841) 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, 66921 + ... + 66999.

It is an arithmetic number, because the mean of its divisors is an integer number (119040).

Almost surely, 2^5289840 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 5289840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9523200).

5289840 is an abundant number, since it is smaller than the sum of its proper divisors (13756560).

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

5289840 is a wasteful number, since it uses less digits than its factorization.

5289840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5289840 is about 2299.9652171283. The cubic root of 5289840 is about 174.2398594509.

The spelling of 5289840 in words is "five million, two hundred eighty-nine thousand, eight hundred forty".