388922 has 8 divisors (see below), whose sum is σ = 588000. Its totient is φ = 192924.

The previous prime is 388903. The next prime is 388931. The reversal of 388922 is 229883.

It is a happy number.

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

It is a d-powerful number, because it can be written as 3¹⁰ + 8² + 9² + 8⁶ + 2¹¹ + 2¹⁶ .

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 3 ways as a sum of consecutive naturals, for example, 422 + ... + 977.

It is an arithmetic number, because the mean of its divisors is an integer number (73500).

2³⁸⁸⁹²² is an apocalyptic number.

388922 is a deficient number, since it is larger than the sum of its proper divisors (199078).

388922 is a wasteful number, since it uses less digits than its factorization.

388922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1540.

The product of its digits is 6912, while the sum is 32.

The square root of 388922 is about 623.6361118473. The cubic root of 388922 is about 72.9940571881.

It can be divided in two parts, 3889 and 22, that multiplied together give a palindrome (85558).

The spelling of 388922 in words is "three hundred eighty-eight thousand, nine hundred twenty-two".