338949928 has 16 divisors (see below), whose sum is σ = 641702880. Its totient is φ = 167829168.

The previous prime is 338949917. The next prime is 338949931. The reversal of 338949928 is 829949833.

It is a happy number.

It is a super-2 number, since 2×338949928² = 229774107382410368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204850 + ... + 206497.

It is an arithmetic number, because the mean of its divisors is an integer number (40106430).

Almost surely, 2^338949928 is an apocalyptic number.

It is an amenable number.

338949928 is a deficient number, since it is larger than the sum of its proper divisors (302752952).

338949928 is a wasteful number, since it uses less digits than its factorization.

338949928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411456 (or 411452 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The square root of 338949928 is about 18410.5928204390. The cubic root of 338949928 is about 697.2339331972.

The spelling of 338949928 in words is "three hundred thirty-eight million, nine hundred forty-nine thousand, nine hundred twenty-eight".