5820840 has 192 divisors, whose sum is σ = 21340800. Its totient is φ = 1368576.

The previous prime is 5820833. The next prime is 5820847. The reversal of 5820840 is 480285.

5820840 is a `hidden beast` number, since 582 + 0 + 84 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (5820833) and next prime (5820847).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5820847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157302 + ... + 157338.

It is an arithmetic number, because the mean of its divisors is an integer number (111150).

Almost surely, 2^5820840 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 5820840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10670400).

5820840 is an abundant number, since it is smaller than the sum of its proper divisors (15519960).

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

5820840 is a wasteful number, since it uses less digits than its factorization.

5820840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 5820840 is about 2412.6417056828. The cubic root of 5820840 is about 179.8851118714.

The spelling of 5820840 in words is "five million, eight hundred twenty thousand, eight hundred forty".