338986 has 4 divisors (see below), whose sum is σ = 508482. Its totient is φ = 169492.

The previous prime is 338959. The next prime is 338993. The reversal of 338986 is 689833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 689833 = 19 ⋅36307.

It can be written as a sum of positive squares in only one way, i.e., 219961 + 119025 = 469^2 + 345^2 .

It is a super-2 number, since 2×338986² = 229823016392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84745 + ... + 84748.

2³³⁸⁹⁸⁶ is an apocalyptic number.

338986 is a deficient number, since it is larger than the sum of its proper divisors (169496).

338986 is a wasteful number, since it uses less digits than its factorization.

338986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169495.

The product of its digits is 31104, while the sum is 37.

The square root of 338986 is about 582.2250424020. The cubic root of 338986 is about 69.7258666182.

The spelling of 338986 in words is "three hundred thirty-eight thousand, nine hundred eighty-six".