338740623 has 80 divisors (see below), whose sum is σ = 585446400. Its totient is φ = 193342464.

The previous prime is 338740621. The next prime is 338740631. The reversal of 338740623 is 326047833.

It is not a de Polignac number, because 338740623 - 2¹ = 338740621 is a prime.

It is a super-2 number, since 2×338740623² = 229490419340856258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338740621) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 2273353 + ... + 2273501.

It is an arithmetic number, because the mean of its divisors is an integer number (7318080).

Almost surely, 2^338740623 is an apocalyptic number.

338740623 is a deficient number, since it is larger than the sum of its proper divisors (246705777).

338740623 is a wasteful number, since it uses less digits than its factorization.

338740623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 338740623 is about 18404.9075792301. The cubic root of 338740623 is about 697.0903873169.

The spelling of 338740623 in words is "three hundred thirty-eight million, seven hundred forty thousand, six hundred twenty-three".