5678865 has 24 divisors (see below), whose sum is σ = 9952488. Its totient is φ = 2995200.

The previous prime is 5678851. The next prime is 5678873. The reversal of 5678865 is 5688765.

5678865 is a `hidden beast` number, since 567 + 8 + 86 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 33489 + 5645376 = 183^2 + 2376^2 .

It is not a de Polignac number, because 5678865 - 2⁷ = 5678737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5678865.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3715 + ... + 5015.

It is an arithmetic number, because the mean of its divisors is an integer number (414687).

Almost surely, 2^5678865 is an apocalyptic number.

It is an amenable number.

5678865 is a deficient number, since it is larger than the sum of its proper divisors (4273623).

5678865 is a wasteful number, since it uses less digits than its factorization.

5678865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1406 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5678865 is about 2383.0369279556. The cubic root of 5678865 is about 178.4105429397.

The spelling of 5678865 in words is "five million, six hundred seventy-eight thousand, eight hundred sixty-five".