388665395 has 8 divisors (see below), whose sum is σ = 482481360. Its totient is φ = 300210400.

The previous prime is 388665313. The next prime is 388665397. The reversal of 388665395 is 593566883.

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

It is not a de Polignac number, because 388665395 - 2¹⁰ = 388664371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388665397) 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, 1340081 + ... + 1340370.

It is an arithmetic number, because the mean of its divisors is an integer number (60310170).

Almost surely, 2^388665395 is an apocalyptic number.

388665395 is a deficient number, since it is larger than the sum of its proper divisors (93815965).

388665395 is a wasteful number, since it uses less digits than its factorization.

388665395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680485.

The product of its digits is 4665600, while the sum is 53.

The square root of 388665395 is about 19714.5985249510. The cubic root of 388665395 is about 729.7800018868.

The spelling of 388665395 in words is "three hundred eighty-eight million, six hundred sixty-five thousand, three hundred ninety-five".