338889 has 8 divisors (see below), whose sum is σ = 457632. Its totient is φ = 223040.

The previous prime is 338867. The next prime is 338893. The reversal of 338889 is 988833.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 338889 - 2⁵ = 338857 is a prime.

It is a super-2 number, since 2×338889² = 229691508642, which contains 22 as substring.

It is a Curzon number.

338889 is a lucky number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (338839) 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, 432 + ... + 929.

It is an arithmetic number, because the mean of its divisors is an integer number (57204).

2³³⁸⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

338889 is a deficient number, since it is larger than the sum of its proper divisors (118743).

338889 is a wasteful number, since it uses less digits than its factorization.

338889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447.

The product of its digits is 41472, while the sum is 39.

The square root of 338889 is about 582.1417353188. The cubic root of 338889 is about 69.7192153560.

The spelling of 338889 in words is "three hundred thirty-eight thousand, eight hundred eighty-nine".