338474138 has 8 divisors (see below), whose sum is σ = 525218580. Its totient is φ = 163401280.

The previous prime is 338474077. The next prime is 338474161. The reversal of 338474138 is 831474833.

It can be written as a sum of positive squares in 2 ways, for example, as 335365969 + 3108169 = 18313^2 + 1763^2 .

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

It is a super-2 number, since 2×338474138² = 229129484189686088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338474095 and 338474104.

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, 2917823 + ... + 2917938.

Almost surely, 2^338474138 is an apocalyptic number.

338474138 is a deficient number, since it is larger than the sum of its proper divisors (186744442).

338474138 is a wasteful number, since it uses less digits than its factorization.

338474138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835792.

The product of its digits is 193536, while the sum is 41.

The square root of 338474138 is about 18397.6666455287. Note that the first 4 decimals coincide. The cubic root of 338474138 is about 696.9075405666.

The spelling of 338474138 in words is "three hundred thirty-eight million, four hundred seventy-four thousand, one hundred thirty-eight".