5865840 has 60 divisors (see below), whose sum is σ = 19701864. Its totient is φ = 1564032.

The previous prime is 5865823. The next prime is 5865841. The reversal of 5865840 is 485685.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5865795 and 5865804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5865841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354 + ... + 4793.

Almost surely, 2^5865840 is an apocalyptic number.

It is an amenable number.

5865840 is an abundant number, since it is smaller than the sum of its proper divisors (13836024).

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

5865840 is a wasteful number, since it uses less digits than its factorization.

5865840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8166 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 5865840 is about 2421.9496278825. The cubic root of 5865840 is about 180.3474769375.

The spelling of 5865840 in words is "five million, eight hundred sixty-five thousand, eight hundred forty".