340724 has 12 divisors (see below), whose sum is σ = 602784. Its totient is φ = 168504.

The previous prime is 340723. The next prime is 340757. The reversal of 340724 is 427043.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 340696 and 340705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2 + ... + 825.

It is an arithmetic number, because the mean of its divisors is an integer number (50232).

2³⁴⁰⁷²⁴ is an apocalyptic number.

It is an amenable number.

340724 is a deficient number, since it is larger than the sum of its proper divisors (262060).

340724 is a wasteful number, since it uses less digits than its factorization.

340724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 340724 is about 583.7156842162. The cubic root of 340724 is about 69.8448263384.

Adding to 340724 its reverse (427043), we get a palindrome (767767).

The spelling of 340724 in words is "three hundred forty thousand, seven hundred twenty-four", and thus it is an iban number.