388133 has 2 divisors, whose sum is σ = 388134. Its totient is φ = 388132.

The previous prime is 388117. The next prime is 388159. The reversal of 388133 is 331883.

It is an a-pointer prime, because the next prime (388159) can be obtained adding 388133 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 388129 + 4 = 623^2 + 2^2 .

It is an emirp because it is prime and its reverse (331883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 388133 - 2⁴ = 388117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (388163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194066 + 194067.

It is an arithmetic number, because the mean of its divisors is an integer number (194067).

2³⁸⁸¹³³ is an apocalyptic number.

It is an amenable number.

388133 is a deficient number, since it is larger than the sum of its proper divisors (1).

388133 is an equidigital number, since it uses as much as digits as its factorization.

388133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 388133 is about 623.0032102646. The cubic root of 388133 is about 72.9446631360.

The spelling of 388133 in words is "three hundred eighty-eight thousand, one hundred thirty-three".