338985 has 32 divisors (see below), whose sum is σ = 629760. Its totient is φ = 174960.

The previous prime is 338959. The next prime is 338993. The reversal of 338985 is 589833.

It is not a de Polignac number, because 338985 - 2⁷ = 338857 is a prime.

It is a super-2 number, since 2×338985² = 229821660450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10920 + ... + 10950.

It is an arithmetic number, because the mean of its divisors is an integer number (19680).

2³³⁸⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

338985 is a deficient number, since it is larger than the sum of its proper divisors (290775).

338985 is an frugal number, since it uses more digits than its factorization.

338985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 39 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 338985 is about 582.2241836269. The cubic root of 338985 is about 69.7257980550.

The spelling of 338985 in words is "three hundred thirty-eight thousand, nine hundred eighty-five".