338448747 has 16 divisors (see below), whose sum is σ = 555403520. Its totient is φ = 178522272.

The previous prime is 338448707. The next prime is 338448779. The reversal of 338448747 is 747844833.

It is not a de Polignac number, because 338448747 - 2⁸ = 338448491 is a prime.

It is a super-2 number, since 2×338448747² = 229095108691740018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 338448696 and 338448705.

It is not an unprimeable number, because it can be changed into a prime (338448707) 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 15 ways as a sum of consecutive naturals, for example, 619597 + ... + 620142.

It is an arithmetic number, because the mean of its divisors is an integer number (34712720).

Almost surely, 2^338448747 is an apocalyptic number.

338448747 is a deficient number, since it is larger than the sum of its proper divisors (216954773).

338448747 is a wasteful number, since it uses less digits than its factorization.

338448747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239762.

The product of its digits is 1806336, while the sum is 48.

The square root of 338448747 is about 18396.9765722523. The cubic root of 338448747 is about 696.8901137090.

The spelling of 338448747 in words is "three hundred thirty-eight million, four hundred forty-eight thousand, seven hundred forty-seven".