5686440 has 32 divisors (see below), whose sum is σ = 17059680. Its totient is φ = 1516352.

The previous prime is 5686433. The next prime is 5686441. The reversal of 5686440 is 446865.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5686441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23574 + ... + 23813.

It is an arithmetic number, because the mean of its divisors is an integer number (533115).

Almost surely, 2^5686440 is an apocalyptic number.

It is an amenable number.

5686440 is an abundant number, since it is smaller than the sum of its proper divisors (11373240).

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

5686440 is a wasteful number, since it uses less digits than its factorization.

5686440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47401 (or 47397 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 5686440 is about 2384.6257568013. The cubic root of 5686440 is about 178.4898345708.

The spelling of 5686440 in words is "five million, six hundred eighty-six thousand, four hundred forty".