388011 has 8 divisors (see below), whose sum is σ = 557200. Its totient is φ = 238752.

The previous prime is 388009. The next prime is 388051. The reversal of 388011 is 110883.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 388011 - 2¹ = 388009 is a prime.

It is a super-2 number, since 2×388011² = 301105072242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 388011.

It is not an unprimeable number, because it can be changed into a prime (388051) 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 7 ways as a sum of consecutive naturals, for example, 4936 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (69650).

2³⁸⁸⁰¹¹ is an apocalyptic number.

388011 is a deficient number, since it is larger than the sum of its proper divisors (169189).

388011 is a wasteful number, since it uses less digits than its factorization.

388011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9965.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 388011 is about 622.9052897512. The cubic root of 388011 is about 72.9370195520.

Adding to 388011 its reverse (110883), we get a palindrome (498894).

The spelling of 388011 in words is "three hundred eighty-eight thousand, eleven".