388033 has 4 divisors (see below), whose sum is σ = 404928. Its totient is φ = 371140.

The previous prime is 388009. The next prime is 388051. The reversal of 388033 is 330883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330883 = 7 ⋅47269.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388033 is a prime.

It is a Duffinian number.

388033 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 387989 and 388007.

It is not an unprimeable number, because it can be changed into a prime (388133) 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, 8413 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (101232).

2³⁸⁸⁰³³ is an apocalyptic number.

It is an amenable number.

388033 is a deficient number, since it is larger than the sum of its proper divisors (16895).

388033 is a wasteful number, since it uses less digits than its factorization.

388033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16894.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 388033 is about 622.9229486863. The cubic root of 388033 is about 72.9383980216.

The spelling of 388033 in words is "three hundred eighty-eight thousand, thirty-three".