388003 has 8 divisors (see below), whose sum is σ = 483840. Its totient is φ = 302280.

The previous prime is 387977. The next prime is 388009. The reversal of 388003 is 300883.

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

It is not a de Polignac number, because 388003 - 2⁵ = 387971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2443 + ... + 2596.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2³⁸⁸⁰⁰³ is an apocalyptic number.

388003 is a deficient number, since it is larger than the sum of its proper divisors (95837).

388003 is a wasteful number, since it uses less digits than its factorization.

388003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5057.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 388003 is about 622.8988681961. The cubic root of 388003 is about 72.9365182774.

Adding to 388003 its reverse (300883), we get a palindrome (688886).

The spelling of 388003 in words is "three hundred eighty-eight thousand, three".