338677 has 4 divisors (see below), whose sum is σ = 341100. Its totient is φ = 336256.

The previous prime is 338669. The next prime is 338683. The reversal of 338677 is 776833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776833 = 389 ⋅1997.

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 167281 = 414^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 338677 - 2³ = 338669 is a prime.

It is a super-2 number, since 2×338677² = 229404220658, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (85275).

2³³⁸⁶⁷⁷ is an apocalyptic number.

It is an amenable number.

338677 is a deficient number, since it is larger than the sum of its proper divisors (2423).

338677 is a wasteful number, since it uses less digits than its factorization.

338677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422.

The product of its digits is 21168, while the sum is 34.

The square root of 338677 is about 581.9596205924. The cubic root of 338677 is about 69.7046741574.

It can be divided in two parts, 338 and 677, that multiplied together give a triangular number (228826 = T₆₇₆).

The spelling of 338677 in words is "three hundred thirty-eight thousand, six hundred seventy-seven".