5646388 has 12 divisors (see below), whose sum is σ = 10779552. Its totient is φ = 2566520.

The previous prime is 5646383. The next prime is 5646391. The reversal of 5646388 is 8836465.

It is a d-powerful number, because it can be written as 5⁹ + 6² + 4⁵ + 6³ + 3¹³ + 8³ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 5646388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64120 + ... + 64207.

It is an arithmetic number, because the mean of its divisors is an integer number (898296).

Almost surely, 2^5646388 is an apocalyptic number.

It is an amenable number.

5646388 is a deficient number, since it is larger than the sum of its proper divisors (5133164).

5646388 is a wasteful number, since it uses less digits than its factorization.

5646388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128342 (or 128340 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 5646388 is about 2376.2129534198. The cubic root of 5646388 is about 178.0697870529.

The spelling of 5646388 in words is "five million, six hundred forty-six thousand, three hundred eighty-eight".