3989653 has 2 divisors, whose sum is σ = 3989654. Its totient is φ = 3989652.

The previous prime is 3989651. The next prime is 3989663. The reversal of 3989653 is 3569893.

3989653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2566404 + 1423249 = 1602^2 + 1193^2 .

It is an emirp because it is prime and its reverse (3569893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3989653 - 2¹ = 3989651 is a prime.

Together with 3989651, it forms a pair of twin primes.

3989653 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3989651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994826 + 1994827.

It is an arithmetic number, because the mean of its divisors is an integer number (1994827).

Almost surely, 2^3989653 is an apocalyptic number.

It is an amenable number.

3989653 is a deficient number, since it is larger than the sum of its proper divisors (1).

3989653 is an equidigital number, since it uses as much as digits as its factorization.

3989653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 43.

The square root of 3989653 is about 1997.4115750140. The cubic root of 3989653 is about 158.6031133519.

The spelling of 3989653 in words is "three million, nine hundred eighty-nine thousand, six hundred fifty-three".