340216 has 24 divisors (see below), whose sum is σ = 681480. Its totient is φ = 158928.

The previous prime is 340211. The next prime is 340237. The reversal of 340216 is 612043.

It is a self number, because there is not a number n which added to its sum of digits gives 340216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7891 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (28395).

2³⁴⁰²¹⁶ is an apocalyptic number.

It is an amenable number.

340216 is an abundant number, since it is smaller than the sum of its proper divisors (341264).

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

340216 is a wasteful number, since it uses less digits than its factorization.

340216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 340216 is about 583.2803785488. The cubic root of 340216 is about 69.8100975258.

Adding to 340216 its reverse (612043), we get a palindrome (952259).

The spelling of 340216 in words is "three hundred forty thousand, two hundred sixteen".