388859 has 2 divisors, whose sum is σ = 388860. Its totient is φ = 388858.

The previous prime is 388837. The next prime is 388879. The reversal of 388859 is 958883.

It is a strong prime.

It is an emirp because it is prime and its reverse (958883) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388859 is a prime.

It is a super-2 number, since 2×388859² = 302422643762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (388879) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194429 + 194430.

It is an arithmetic number, because the mean of its divisors is an integer number (194430).

2³⁸⁸⁸⁵⁹ is an apocalyptic number.

388859 is a deficient number, since it is larger than the sum of its proper divisors (1).

388859 is an equidigital number, since it uses as much as digits as its factorization.

388859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 388859 is about 623.5855995772. The cubic root of 388859 is about 72.9901156317.

The spelling of 388859 in words is "three hundred eighty-eight thousand, eight hundred fifty-nine".