387853 has 2 divisors, whose sum is σ = 387854. Its totient is φ = 387852.

The previous prime is 387839. The next prime is 387857. The reversal of 387853 is 358783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 5929 = 618^2 + 77^2 .

387853 is a truncatable prime.

It is an emirp because it is prime and its reverse (358783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 387853 - 2⁹ = 387341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (387857) 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, 193926 + 193927.

It is an arithmetic number, because the mean of its divisors is an integer number (193927).

2³⁸⁷⁸⁵³ is an apocalyptic number.

It is an amenable number.

387853 is a deficient number, since it is larger than the sum of its proper divisors (1).

387853 is an equidigital number, since it uses as much as digits as its factorization.

387853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 387853 is about 622.7784517788. The cubic root of 387853 is about 72.9271181028.

The spelling of 387853 in words is "three hundred eighty-seven thousand, eight hundred fifty-three".