338013643 has 8 divisors (see below), whose sum is σ = 368924976. Its totient is φ = 307132800.

The previous prime is 338013631. The next prime is 338013653. The reversal of 338013643 is 346310833.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338013643 is a prime.

It is a super-2 number, since 2×338013643² = 228506445708262898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338013653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19903 + ... + 32743.

It is an arithmetic number, because the mean of its divisors is an integer number (46115622).

Almost surely, 2^338013643 is an apocalyptic number.

338013643 is a deficient number, since it is larger than the sum of its proper divisors (30911333).

338013643 is a wasteful number, since it uses less digits than its factorization.

338013643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15245.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 338013643 is about 18385.1473477914. The cubic root of 338013643 is about 696.5913489185.

The spelling of 338013643 in words is "three hundred thirty-eight million, thirteen thousand, six hundred forty-three".