388442 has 8 divisors (see below), whose sum is σ = 586656. Its totient is φ = 192892.

The previous prime is 388403. The next prime is 388459. The reversal of 388442 is 244883.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 915.

It is an arithmetic number, because the mean of its divisors is an integer number (73332).

2³⁸⁸⁴⁴² is an apocalyptic number.

388442 is a deficient number, since it is larger than the sum of its proper divisors (198214).

388442 is a wasteful number, since it uses less digits than its factorization.

388442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its digits is 6144, while the sum is 29.

The square root of 388442 is about 623.2511532280. The cubic root of 388442 is about 72.9640155419.

The spelling of 388442 in words is "three hundred eighty-eight thousand, four hundred forty-two".