388245 has 32 divisors (see below), whose sum is σ = 733824. Its totient is φ = 172800.

The previous prime is 388237. The next prime is 388253. The reversal of 388245 is 542883.

It is an interprime number because it is at equal distance from previous prime (388237) and next prime (388253).

It is not a de Polignac number, because 388245 - 2³ = 388237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2055 + ... + 2235.

It is an arithmetic number, because the mean of its divisors is an integer number (22932).

2³⁸⁸²⁴⁵ is an apocalyptic number.

It is an amenable number.

388245 is a deficient number, since it is larger than the sum of its proper divisors (345579).

388245 is a wasteful number, since it uses less digits than its factorization.

388245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its digits is 7680, while the sum is 30.

The square root of 388245 is about 623.0930909583. The cubic root of 388245 is about 72.9516787866.

The spelling of 388245 in words is "three hundred eighty-eight thousand, two hundred forty-five".