380403 has 16 divisors (see below), whose sum is σ = 574240. Its totient is φ = 248832.

The previous prime is 380383. The next prime is 380417. The reversal of 380403 is 304083.

It is not a de Polignac number, because 380403 - 2⁸ = 380147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1875 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (35890).

2³⁸⁰⁴⁰³ is an apocalyptic number.

380403 is a deficient number, since it is larger than the sum of its proper divisors (193837).

380403 is a wasteful number, since it uses less digits than its factorization.

380403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 380403 is about 616.7681898412. The cubic root of 380403 is about 72.4571605815.

Adding to 380403 its reverse (304083), we get a palindrome (684486).

The spelling of 380403 in words is "three hundred eighty thousand, four hundred three".