5805640 has 32 divisors (see below), whose sum is σ = 13752000. Its totient is φ = 2199744.

The previous prime is 5805629. The next prime is 5805671. The reversal of 5805640 is 465085.

It is a junction number, because it is equal to n+sod(n) for n = 5805599 and 5805608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (429750).

Almost surely, 2^5805640 is an apocalyptic number.

It is an amenable number.

5805640 is an abundant number, since it is smaller than the sum of its proper divisors (7946360).

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

5805640 is a wasteful number, since it uses less digits than its factorization.

5805640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7669 (or 7665 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 5805640 is about 2409.4895725029. The cubic root of 5805640 is about 179.7283969671.

The spelling of 5805640 in words is "five million, eight hundred five thousand, six hundred forty".