338643085 has 8 divisors (see below), whose sum is σ = 443314656. Its totient is φ = 246285840.

The previous prime is 338643079. The next prime is 338643089. The reversal of 338643085 is 580346833.

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

It is a de Polignac number, because none of the positive numbers 2^k-338643085 is a prime.

It is a super-2 number, since 2×338643085² = 229358278036634450, 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 (338643089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078519 + ... + 3078628.

It is an arithmetic number, because the mean of its divisors is an integer number (55414332).

Almost surely, 2^338643085 is an apocalyptic number.

It is an amenable number.

338643085 is a deficient number, since it is larger than the sum of its proper divisors (104671571).

338643085 is a wasteful number, since it uses less digits than its factorization.

338643085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157163.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 338643085 is about 18402.2576060656. The cubic root of 338643085 is about 697.0234734555.

The spelling of 338643085 in words is "three hundred thirty-eight million, six hundred forty-three thousand, eighty-five".