388400119 has 4 divisors (see below), whose sum is σ = 388461744. Its totient is φ = 388338496.

The previous prime is 388400101. The next prime is 388400153. The reversal of 388400119 is 911004883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 388400119 - 2⁵ = 388400087 is a prime.

It is a super-2 number, since 2×388400119² = 301709304878428322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388400189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20122 + ... + 34375.

It is an arithmetic number, because the mean of its divisors is an integer number (97115436).

Almost surely, 2^388400119 is an apocalyptic number.

388400119 is a deficient number, since it is larger than the sum of its proper divisors (61625).

388400119 is an equidigital number, since it uses as much as digits as its factorization.

388400119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61624.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 388400119 is about 19707.8694688188. The cubic root of 388400119 is about 729.6139317201.

The spelling of 388400119 in words is "three hundred eighty-eight million, four hundred thousand, one hundred nineteen".