338639884 has 12 divisors (see below), whose sum is σ = 646494408. Its totient is φ = 153927200.

The previous prime is 338639867. The next prime is 338639891. The reversal of 338639884 is 488936833.

It is a super-2 number, since 2×338639884² = 229353942071066912, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3848137 + ... + 3848224.

It is an arithmetic number, because the mean of its divisors is an integer number (53874534).

Almost surely, 2^338639884 is an apocalyptic number.

It is an amenable number.

338639884 is a deficient number, since it is larger than the sum of its proper divisors (307854524).

338639884 is a wasteful number, since it uses less digits than its factorization.

338639884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696376 (or 7696374 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 338639884 is about 18402.1706328357. The cubic root of 338639884 is about 697.0212772601.

The spelling of 338639884 in words is "three hundred thirty-eight million, six hundred thirty-nine thousand, eight hundred eighty-four".