388062685 has 4 divisors (see below), whose sum is σ = 465675228. Its totient is φ = 310450144.

The previous prime is 388062643. The next prime is 388062737. The reversal of 388062685 is 586260883.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 282979684 + 105083001 = 16822^2 + 10251^2 .

It is a cyclic number.

It is not a de Polignac number, because 388062685 - 2⁹ = 388062173 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 3 ways as a sum of consecutive naturals, for example, 38806264 + ... + 38806273.

It is an arithmetic number, because the mean of its divisors is an integer number (116418807).

Almost surely, 2^388062685 is an apocalyptic number.

It is an amenable number.

388062685 is a deficient number, since it is larger than the sum of its proper divisors (77612543).

388062685 is an equidigital number, since it uses as much as digits as its factorization.

388062685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77612542.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 388062685 is about 19699.3067136892. The cubic root of 388062685 is about 729.4025793314.

The spelling of 388062685 in words is "three hundred eighty-eight million, sixty-two thousand, six hundred eighty-five".