340508 has 12 divisors (see below), whose sum is σ = 681072. Its totient is φ = 145920.

The previous prime is 340481. The next prime is 340519. The reversal of 340508 is 805043.

340508 is an admirable number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 340508.

It is a congruent number.

It is an unprimeable number.

340508 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6053 + ... + 6108.

It is an arithmetic number, because the mean of its divisors is an integer number (56756).

2³⁴⁰⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

340508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

340508 is a wasteful number, since it uses less digits than its factorization.

340508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12172 (or 12170 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 340508 is about 583.5306333004. The cubic root of 340508 is about 69.8300639779.

It can be divided in two parts, 340 and 508, that added together give a palindrome (848).

The spelling of 340508 in words is "three hundred forty thousand, five hundred eight".