338745394 has 16 divisors (see below), whose sum is σ = 547548120. Its totient is φ = 156245760.

The previous prime is 338745389. The next prime is 338745413. The reversal of 338745394 is 493547833.

It can be written as a sum of positive squares in 4 ways, for example, as 316306225 + 22439169 = 17785^2 + 4737^2 .

It is a super-2 number, since 2×338745394² = 229496883912430472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53172 + ... + 59200.

Almost surely, 2^338745394 is an apocalyptic number.

338745394 is a deficient number, since it is larger than the sum of its proper divisors (208802726).

338745394 is a wasteful number, since it uses less digits than its factorization.

338745394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205.

The product of its digits is 1088640, while the sum is 46.

The square root of 338745394 is about 18405.0371909431. The cubic root of 338745394 is about 697.0936600300.

The spelling of 338745394 in words is "three hundred thirty-eight million, seven hundred forty-five thousand, three hundred ninety-four".