338786481 has 32 divisors (see below), whose sum is σ = 525201408. Its totient is φ = 192199040.

The previous prime is 338786443. The next prime is 338786509. The reversal of 338786481 is 184687833.

It is not a de Polignac number, because 338786481 - 2¹⁰ = 338785457 is a prime.

It is a super-2 number, since 2×338786481² = 229552559416726722, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 338786481.

It is not an unprimeable number, because it can be changed into a prime (338788481) 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 31 ways as a sum of consecutive naturals, for example, 30925 + ... + 40421.

It is an arithmetic number, because the mean of its divisors is an integer number (16412544).

Almost surely, 2^338786481 is an apocalyptic number.

It is an amenable number.

338786481 is a deficient number, since it is larger than the sum of its proper divisors (186414927).

338786481 is a wasteful number, since it uses less digits than its factorization.

338786481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9581.

The product of its digits is 774144, while the sum is 48.

The square root of 338786481 is about 18406.1533460960. The cubic root of 338786481 is about 697.1218427790.

The spelling of 338786481 in words is "three hundred thirty-eight million, seven hundred eighty-six thousand, four hundred eighty-one".