5685993 has 12 divisors (see below), whose sum is σ = 8348548. Its totient is φ = 3728160.

The previous prime is 5685971. The next prime is 5686033. The reversal of 5685993 is 3995865.

5685993 is a `hidden beast` number, since 56 + 8 + 599 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 4460544 = 1107^2 + 2112^2 .

It is not a de Polignac number, because 5685993 - 2⁵ = 5685961 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5687993) 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, 4630 + ... + 5727.

Almost surely, 2^5685993 is an apocalyptic number.

It is an amenable number.

5685993 is a deficient number, since it is larger than the sum of its proper divisors (2662555).

5685993 is a wasteful number, since it uses less digits than its factorization.

5685993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10424 (or 10421 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 5685993 is about 2384.5320295605. The cubic root of 5685993 is about 178.4851575353.

It can be divided in two parts, 568 and 5993, that added together give a 8-th power (6561 = 3⁸).

The spelling of 5685993 in words is "five million, six hundred eighty-five thousand, nine hundred ninety-three".