338977 has 4 divisors (see below), whose sum is σ = 344596. Its totient is φ = 333360.

The previous prime is 338959. The next prime is 338993. The reversal of 338977 is 779833.

338977 is nontrivially palindromic in base 7.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779833 = 433 ⋅1801.

It can be written as a sum of positive squares in 2 ways, for example, as 159201 + 179776 = 399^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 338977 - 2¹¹ = 336929 is a prime.

It is a super-2 number, since 2×338977² = 229810813058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (338927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (86149).

2³³⁸⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

338977 is a deficient number, since it is larger than the sum of its proper divisors (5619).

338977 is an equidigital number, since it uses as much as digits as its factorization.

338977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618.

The product of its digits is 31752, while the sum is 37.

The square root of 338977 is about 582.2173133805. The cubic root of 338977 is about 69.7252495442.

The spelling of 338977 in words is "three hundred thirty-eight thousand, nine hundred seventy-seven".