338176945 has 4 divisors (see below), whose sum is σ = 405812340. Its totient is φ = 270541552.

The previous prime is 338176933. The next prime is 338176957. The reversal of 338176945 is 549671833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 549671833 = 191 ⋅2877863.

It is an interprime number because it is at equal distance from previous prime (338176933) and next prime (338176957).

It can be written as a sum of positive squares in 2 ways, for example, as 191573281 + 146603664 = 13841^2 + 12108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338176945 is a prime.

It is a super-2 number, since 2×338176945² = 228727292259066050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 338176895 and 338176904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33817690 + ... + 33817699.

It is an arithmetic number, because the mean of its divisors is an integer number (101453085).

Almost surely, 2^338176945 is an apocalyptic number.

It is an amenable number.

338176945 is a deficient number, since it is larger than the sum of its proper divisors (67635395).

338176945 is an equidigital number, since it uses as much as digits as its factorization.

338176945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67635394.

The product of its digits is 544320, while the sum is 46.

The square root of 338176945 is about 18389.5879507943. The cubic root of 338176945 is about 696.7035105117.

The spelling of 338176945 in words is "three hundred thirty-eight million, one hundred seventy-six thousand, nine hundred forty-five".