338403 has 8 divisors (see below), whose sum is σ = 485968. Its totient is φ = 208224.

The previous prime is 338389. The next prime is 338407. The reversal of 338403 is 304833.

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

It is not a de Polignac number, because 338403 - 2⁶ = 338339 is a prime.

It is a super-2 number, since 2×338403² = 229033180818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 338403.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338403.

It is not an unprimeable number, because it can be changed into a prime (338407) 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, 4300 + ... + 4377.

It is an arithmetic number, because the mean of its divisors is an integer number (60746).

2³³⁸⁴⁰³ is an apocalyptic number.

338403 is a deficient number, since it is larger than the sum of its proper divisors (147565).

338403 is a wasteful number, since it uses less digits than its factorization.

338403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 338403 is about 581.7241614374. The cubic root of 338403 is about 69.6858713515.

It can be divided in two parts, 338 and 403, that added together give a triangular number (741 = T₃₈).

The spelling of 338403 in words is "three hundred thirty-eight thousand, four hundred three".