338651 has 4 divisors (see below), whose sum is σ = 340704. Its totient is φ = 336600.

The previous prime is 338609. The next prime is 338659. The reversal of 338651 is 156833.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 338651 - 2¹⁰ = 337627 is a prime.

It is a super-2 number, since 2×338651² = 229368999602, 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 338651.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338651.

It is not an unprimeable number, because it can be changed into a prime (338659) 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, 755 + ... + 1116.

It is an arithmetic number, because the mean of its divisors is an integer number (85176).

2³³⁸⁶⁵¹ is an apocalyptic number.

338651 is a deficient number, since it is larger than the sum of its proper divisors (2053).

338651 is a wasteful number, since it uses less digits than its factorization.

338651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052.

The product of its digits is 2160, while the sum is 26.

The square root of 338651 is about 581.9372818440. The cubic root of 338651 is about 69.7028903851.

It can be divided in two parts, 338 and 651, that added together give a palindrome (989).

The spelling of 338651 in words is "three hundred thirty-eight thousand, six hundred fifty-one".