5646349 has 2 divisors, whose sum is σ = 5646350. Its totient is φ = 5646348.

The previous prime is 5646341. The next prime is 5646379. The reversal of 5646349 is 9436465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 310249 = 2310^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646349 - 2³ = 5646341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823174 + 2823175.

It is an arithmetic number, because the mean of its divisors is an integer number (2823175).

Almost surely, 2^5646349 is an apocalyptic number.

It is an amenable number.

5646349 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646349 is an equidigital number, since it uses as much as digits as its factorization.

5646349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 5646349 is about 2376.2047470704. The cubic root of 5646349 is about 178.0693770718.

It can be divided in two parts, 5646 and 349, that added together give a palindrome (5995).

The spelling of 5646349 in words is "five million, six hundred forty-six thousand, three hundred forty-nine".