5646393 has 6 divisors (see below), whose sum is σ = 8155914. Its totient is φ = 3764256.

The previous prime is 5646391. The next prime is 5646409. The reversal of 5646393 is 3936465.

5646393 is a `hidden beast` number, since 5 + 646 + 3 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5253264 + 393129 = 2292^2 + 627^2 .

It is not a de Polignac number, because 5646393 - 2¹ = 5646391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5646391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313680 + ... + 313697.

It is an arithmetic number, because the mean of its divisors is an integer number (1359319).

Almost surely, 2^5646393 is an apocalyptic number.

It is an amenable number.

5646393 is a deficient number, since it is larger than the sum of its proper divisors (2509521).

5646393 is a wasteful number, since it uses less digits than its factorization.

5646393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627383 (or 627380 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 5646393 is about 2376.2140055138. The cubic root of 5646393 is about 178.0698396145.

The spelling of 5646393 in words is "five million, six hundred forty-six thousand, three hundred ninety-three".