340424 has 16 divisors (see below), whose sum is σ = 729600. Its totient is φ = 145872.

The previous prime is 340409. The next prime is 340429. The reversal of 340424 is 424043.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340424.

It is not an unprimeable number, because it can be changed into a prime (340429) by changing a digit.

340424 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, 2984 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (45600).

2³⁴⁰⁴²⁴ is an apocalyptic number.

It is an amenable number.

340424 is an abundant number, since it is smaller than the sum of its proper divisors (389176).

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

340424 is a wasteful number, since it uses less digits than its factorization.

340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6092 (or 6088 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 340424 is about 583.4586532052. The cubic root of 340424 is about 69.8243213739.

Adding to 340424 its reverse (424043), we get a palindrome (764467).

The spelling of 340424 in words is "three hundred forty thousand, four hundred twenty-four", and thus it is an iban number.