388622 has 8 divisors (see below), whose sum is σ = 627816. Its totient is φ = 179352.

The previous prime is 388621. The next prime is 388651. The reversal of 388622 is 226883.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388621) by changing a digit.

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, 7448 + ... + 7499.

It is an arithmetic number, because the mean of its divisors is an integer number (78477).

2³⁸⁸⁶²² is an apocalyptic number.

388622 is a deficient number, since it is larger than the sum of its proper divisors (239194).

388622 is a wasteful number, since it uses less digits than its factorization.

388622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14962.

The product of its digits is 4608, while the sum is 29.

The square root of 388622 is about 623.3955405679. The cubic root of 388622 is about 72.9752840579.

The spelling of 388622 in words is "three hundred eighty-eight thousand, six hundred twenty-two".