338990 has 16 divisors (see below), whose sum is σ = 617760. Its totient is φ = 133920.

The previous prime is 338959. The next prime is 338993. The reversal of 338990 is 99833.

It is a super-2 number, since 2×338990² = 229828440200, which contains 22 as substring.

It is a zygodrome in base 6.

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, 935 + ... + 1245.

It is an arithmetic number, because the mean of its divisors is an integer number (38610).

2³³⁸⁹⁹⁰ is an apocalyptic number.

338990 is a deficient number, since it is larger than the sum of its proper divisors (278770).

338990 is a wasteful number, since it uses less digits than its factorization.

338990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 338990 is about 582.2284774897. The cubic root of 338990 is about 69.7261408698.

The spelling of 338990 in words is "three hundred thirty-eight thousand, nine hundred ninety".