338998 has 16 divisors (see below), whose sum is σ = 584640.
Its totient is φ = 145800.
The previous prime is 338993. The next prime is 338999. The reversal of 338998 is 899833.
It is a super-2 number, since 2×3389982 = 229839288008, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 338998.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (338993) 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, 13 + ... + 823.
It is an arithmetic number, because the mean of its divisors is an integer number (36540).
2338998 is an apocalyptic number.
338998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.
338998 is a deficient number, since it is larger than the sum of its proper divisors (245642).
338998 is a wasteful number, since it uses less digits than its factorization.
338998 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 843.
The product of its digits is 46656, while the sum is 40.
The square root of 338998 is about 582.2353476044.
The cubic root of 338998 is about 69.7266893666.
The spelling of 338998 in words is "three hundred thirty-eight thousand, nine hundred ninety-eight".