7849643 has 2 divisors, whose sum is σ = 7849644. Its totient is φ = 7849642.

The previous prime is 7849637. The next prime is 7849649. The reversal of 7849643 is 3469487.

It is a balanced prime because it is at equal distance from previous prime (7849637) and next prime (7849649).

It is a cyclic number.

It is not a de Polignac number, because 7849643 - 2⁶ = 7849579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7849643.

It is not a weakly prime, because it can be changed into another prime (7849649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924821 + 3924822.

It is an arithmetic number, because the mean of its divisors is an integer number (3924822).

Almost surely, 2^7849643 is an apocalyptic number.

7849643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7849643 is an equidigital number, since it uses as much as digits as its factorization.

7849643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 7849643 is about 2801.7214351181. The cubic root of 7849643 is about 198.7390922643.

The spelling of 7849643 in words is "seven million, eight hundred forty-nine thousand, six hundred forty-three".