388237 has 2 divisors, whose sum is σ = 388238. Its totient is φ = 388236.

The previous prime is 388231. The next prime is 388253. The reversal of 388237 is 732883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 281961 + 106276 = 531^2 + 326^2 .

It is a cyclic number.

It is not a de Polignac number, because 388237 - 2⁷ = 388109 is a prime.

It is a d-powerful number, because it can be written as 3² + 8⁴ + 2¹⁸ + 8⁴ + 3⁵ + 7⁶ .

388237 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 388199 and 388208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388231) 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, 194118 + 194119.

It is an arithmetic number, because the mean of its divisors is an integer number (194119).

2³⁸⁸²³⁷ is an apocalyptic number.

It is an amenable number.

388237 is a deficient number, since it is larger than the sum of its proper divisors (1).

388237 is an equidigital number, since it uses as much as digits as its factorization.

388237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 388237 is about 623.0866713387. The cubic root of 388237 is about 72.9511777134.

It can be divided in two parts, 388 and 237, that added together give a 4-th power (625 = 5⁴).

The spelling of 388237 in words is "three hundred eighty-eight thousand, two hundred thirty-seven".