340056 has 24 divisors (see below), whose sum is σ = 921180. Its totient is φ = 113328.

The previous prime is 340049. The next prime is 340057. The reversal of 340056 is 650043.

It is a happy number.

340056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340057) by changing a digit.

340056 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 5 ways as a sum of consecutive naturals, for example, 2290 + ... + 2433.

2³⁴⁰⁰⁵⁶ is an apocalyptic number.

340056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

340056 is an abundant number, since it is smaller than the sum of its proper divisors (581124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340056 is a wasteful number, since it uses less digits than its factorization.

340056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735 (or 4728 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 340056 is about 583.1432071113. The cubic root of 340056 is about 69.7991521587.

Adding to 340056 its reverse (650043), we get a palindrome (990099).

The spelling of 340056 in words is "three hundred forty thousand, fifty-six".