338456 has 8 divisors (see below), whose sum is σ = 634620. Its totient is φ = 169224.

The previous prime is 338449. The next prime is 338461. The reversal of 338456 is 654833.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×338456² = 229104927872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21146 + ... + 21161.

2³³⁸⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

338456 is a deficient number, since it is larger than the sum of its proper divisors (296164).

338456 is a wasteful number, since it uses less digits than its factorization.

338456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42313 (or 42309 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 338456 is about 581.7697138903. The cubic root of 338456 is about 69.6895091822.

The spelling of 338456 in words is "three hundred thirty-eight thousand, four hundred fifty-six".