338492394 has 12 divisors (see below), whose sum is σ = 733400226. Its totient is φ = 112830792.

The previous prime is 338492393. The next prime is 338492411. The reversal of 338492394 is 493294833.

It can be written as a sum of positive squares in only one way, i.e., 290259369 + 48233025 = 17037^2 + 6945^2 .

It is a super-2 number, since 2×338492394² = 229154201591702472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338492393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9402549 + ... + 9402584.

Almost surely, 2^338492394 is an apocalyptic number.

338492394 is an abundant number, since it is smaller than the sum of its proper divisors (394907832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

338492394 is a wasteful number, since it uses less digits than its factorization.

338492394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805141 (or 18805138 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 338492394 is about 18398.1627887134. The cubic root of 338492394 is about 696.9200698501.

The spelling of 338492394 in words is "three hundred thirty-eight million, four hundred ninety-two thousand, three hundred ninety-four".