338663 has 8 divisors (see below), whose sum is σ = 369600. Its totient is φ = 308448.

The previous prime is 338659. The next prime is 338669. The reversal of 338663 is 366833.

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

It is a cyclic number.

It is not a de Polignac number, because 338663 - 2² = 338659 is a prime.

It is a super-2 number, since 2×338663² = 229385255138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338669) 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 7 ways as a sum of consecutive naturals, for example, 1298 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (46200).

2³³⁸⁶⁶³ is an apocalyptic number.

338663 is a deficient number, since it is larger than the sum of its proper divisors (30937).

338663 is a wasteful number, since it uses less digits than its factorization.

338663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its digits is 7776, while the sum is 29.

The square root of 338663 is about 581.9475921421. The cubic root of 338663 is about 69.7037136760.

It can be divided in two parts, 338 and 663, that added together give a palindrome (1001).

The spelling of 338663 in words is "three hundred thirty-eight thousand, six hundred sixty-three".