388682 has 8 divisors (see below), whose sum is σ = 666336. Its totient is φ = 166572.

The previous prime is 388673. The next prime is 388691. The reversal of 388682 is 286883.

It is an interprime number because it is at equal distance from previous prime (388673) and next prime (388691).

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

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 13868 + ... + 13895.

It is an arithmetic number, because the mean of its divisors is an integer number (83292).

2³⁸⁸⁶⁸² is an apocalyptic number.

388682 is a deficient number, since it is larger than the sum of its proper divisors (277654).

388682 is a wasteful number, since it uses less digits than its factorization.

388682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772.

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

The square root of 388682 is about 623.4436622502. The cubic root of 388682 is about 72.9790394566.

The spelling of 388682 in words is "three hundred eighty-eight thousand, six hundred eighty-two".