388963 has 2 divisors, whose sum is σ = 388964. Its totient is φ = 388962.

The previous prime is 388961. The next prime is 388991. The reversal of 388963 is 369883.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 388963 - 2¹ = 388961 is a prime.

Together with 388961, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (388961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194481 + 194482.

It is an arithmetic number, because the mean of its divisors is an integer number (194482).

2³⁸⁸⁹⁶³ is an apocalyptic number.

388963 is a deficient number, since it is larger than the sum of its proper divisors (1).

388963 is an equidigital number, since it uses as much as digits as its factorization.

388963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The square root of 388963 is about 623.6689827144. The cubic root of 388963 is about 72.9966220993.

The spelling of 388963 in words is "three hundred eighty-eight thousand, nine hundred sixty-three".