340220 has 12 divisors (see below), whose sum is σ = 714504. Its totient is φ = 136080.

The previous prime is 340211. The next prime is 340237. The reversal of 340220 is 22043.

340220 = 72² + 73² + ... + 111².

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 340220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8486 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (59542).

2³⁴⁰²²⁰ is an apocalyptic number.

It is an amenable number.

340220 is an abundant number, since it is smaller than the sum of its proper divisors (374284).

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

340220 is a wasteful number, since it uses less digits than its factorization.

340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020 (or 17018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 340220 is about 583.2838074214. The cubic root of 340220 is about 69.8103711160.

Adding to 340220 its reverse (22043), we get a palindrome (362263).

The spelling of 340220 in words is "three hundred forty thousand, two hundred twenty", and thus it is an iban number.