388207 has 4 divisors (see below), whose sum is σ = 392080. Its totient is φ = 384336.

The previous prime is 388187. The next prime is 388211. The reversal of 388207 is 702883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702883 = 107 ⋅6569.

It is a cyclic number.

It is not a de Polignac number, because 388207 - 2¹¹ = 386159 is a prime.

It is a Duffinian number.

388207 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388237) 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 in 3 ways as a sum of consecutive naturals, for example, 1782 + ... + 1987.

It is an arithmetic number, because the mean of its divisors is an integer number (98020).

2³⁸⁸²⁰⁷ is an apocalyptic number.

388207 is a deficient number, since it is larger than the sum of its proper divisors (3873).

388207 is a wasteful number, since it uses less digits than its factorization.

388207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 388207 is about 623.0625971762. The cubic root of 388207 is about 72.9492986278.

It can be divided in two parts, 388 and 207, that added together give a palindrome (595).

The spelling of 388207 in words is "three hundred eighty-eight thousand, two hundred seven".