338818085 has 4 divisors (see below), whose sum is σ = 406581708. Its totient is φ = 271054464.

The previous prime is 338818079. The next prime is 338818091. The reversal of 338818085 is 580818833.

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

It is an interprime number because it is at equal distance from previous prime (338818079) and next prime (338818091).

It can be written as a sum of positive squares in 2 ways, for example, as 125395204 + 213422881 = 11198^2 + 14609^2 .

It is a cyclic number.

It is not a de Polignac number, because 338818085 - 2¹⁶ = 338752549 is a prime.

It is a super-2 number, since 2×338818085² = 229595389446134450, 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33881804 + ... + 33881813.

It is an arithmetic number, because the mean of its divisors is an integer number (101645427).

Almost surely, 2^338818085 is an apocalyptic number.

It is an amenable number.

338818085 is a deficient number, since it is larger than the sum of its proper divisors (67763623).

338818085 is an equidigital number, since it uses as much as digits as its factorization.

338818085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67763622.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 338818085 is about 18407.0118433167. The cubic root of 338818085 is about 697.1435193166.

The spelling of 338818085 in words is "three hundred thirty-eight million, eight hundred eighteen thousand, eighty-five".