388286 has 12 divisors (see below), whose sum is σ = 610512. Its totient is φ = 185196.

The previous prime is 388277. The next prime is 388301. The reversal of 388286 is 682883.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 875 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (50876).

2³⁸⁸²⁸⁶ is an apocalyptic number.

388286 is a deficient number, since it is larger than the sum of its proper divisors (222226).

388286 is a wasteful number, since it uses less digits than its factorization.

388286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 392 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 388286 is about 623.1259904706. The cubic root of 388286 is about 72.9542466785.

The spelling of 388286 in words is "three hundred eighty-eight thousand, two hundred eighty-six".