338915 has 4 divisors (see below), whose sum is σ = 406704. Its totient is φ = 271128.

The previous prime is 338909. The next prime is 338927. The reversal of 338915 is 519833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 519833 = 73 ⋅7121.

It is a cyclic number.

It is not a de Polignac number, because 338915 - 2⁶ = 338851 is a prime.

It is a super-2 number, since 2×338915² = 229726754450, which contains 22 as substring.

It is a Duffinian 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, 33887 + ... + 33896.

It is an arithmetic number, because the mean of its divisors is an integer number (101676).

2³³⁸⁹¹⁵ is an apocalyptic number.

338915 is a deficient number, since it is larger than the sum of its proper divisors (67789).

338915 is an equidigital number, since it uses as much as digits as its factorization.

338915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67788.

The product of its digits is 3240, while the sum is 29.

The square root of 338915 is about 582.1640662219. The cubic root of 338915 is about 69.7209982931.

The spelling of 338915 in words is "three hundred thirty-eight thousand, nine hundred fifteen".