338615 has 4 divisors (see below), whose sum is σ = 406344. Its totient is φ = 270888.

The previous prime is 338609. The next prime is 338659. The reversal of 338615 is 516833.

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 338615 - 2¹⁸ = 76471 is a prime.

It is a super-2 number, since 2×338615² = 229320236450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 33857 + ... + 33866.

It is an arithmetic number, because the mean of its divisors is an integer number (101586).

2³³⁸⁶¹⁵ is an apocalyptic number.

338615 is a deficient number, since it is larger than the sum of its proper divisors (67729).

338615 is an equidigital number, since it uses as much as digits as its factorization.

338615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67728.

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

The square root of 338615 is about 581.9063498537. The cubic root of 338615 is about 69.7004203959.

The spelling of 338615 in words is "three hundred thirty-eight thousand, six hundred fifteen".