338138615 has 8 divisors (see below), whose sum is σ = 411822960. Its totient is φ = 266473152.

The previous prime is 338138599. The next prime is 338138621. The reversal of 338138615 is 516831833.

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 338138615 - 2⁴ = 338138599 is a prime.

It is a super-2 number, since 2×338138615² = 228675445908236450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504350 + ... + 505019.

It is an arithmetic number, because the mean of its divisors is an integer number (51477870).

Almost surely, 2^338138615 is an apocalyptic number.

338138615 is a deficient number, since it is larger than the sum of its proper divisors (73684345).

338138615 is a wasteful number, since it uses less digits than its factorization.

338138615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009441.

The product of its digits is 51840, while the sum is 38.

The square root of 338138615 is about 18388.5457554424. The cubic root of 338138615 is about 696.6771873546.

The spelling of 338138615 in words is "three hundred thirty-eight million, one hundred thirty-eight thousand, six hundred fifteen".