388329365 has 8 divisors (see below), whose sum is σ = 466104408. Its totient is φ = 310590720.

The previous prime is 388329349. The next prime is 388329373. The reversal of 388329365 is 563923883.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43335889 + 344993476 = 6583^2 + 18574^2 .

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

It is not a de Polignac number, because 388329365 - 2⁴ = 388329349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28529 + ... + 39881.

It is an arithmetic number, because the mean of its divisors is an integer number (58263051).

Almost surely, 2^388329365 is an apocalyptic number.

It is an amenable number.

388329365 is a deficient number, since it is larger than the sum of its proper divisors (77775043).

388329365 is a wasteful number, since it uses less digits than its factorization.

388329365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18199.

The product of its digits is 933120, while the sum is 47.

The square root of 388329365 is about 19706.0743173266. The cubic root of 388329365 is about 729.5696249716.

The spelling of 388329365 in words is "three hundred eighty-eight million, three hundred twenty-nine thousand, three hundred sixty-five".