5646239 has 2 divisors, whose sum is σ = 5646240. Its totient is φ = 5646238.

The previous prime is 5646229. The next prime is 5646269. The reversal of 5646239 is 9326465.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5646239 is a prime.

It is a d-powerful number, because it can be written as 5⁹ + 6 + 4⁴ + 6⁴ + 2²¹ + 3¹³ + 9² .

It is a junction number, because it is equal to n+sod(n) for n = 5646199 and 5646208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823119 + 2823120.

It is an arithmetic number, because the mean of its divisors is an integer number (2823120).

Almost surely, 2^5646239 is an apocalyptic number.

5646239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646239 is an equidigital number, since it uses as much as digits as its factorization.

5646239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 5646239 is about 2376.1816008041. The cubic root of 5646239 is about 178.0682207046.

It can be divided in two parts, 5646 and 239, that added together give a palindrome (5885).

The spelling of 5646239 in words is "five million, six hundred forty-six thousand, two hundred thirty-nine".