340440214 has 8 divisors (see below), whose sum is σ = 537537240. Its totient is φ = 161261136.

The previous prime is 340440209. The next prime is 340440229. The reversal of 340440214 is 412044043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4479439 + ... + 4479514.

It is an arithmetic number, because the mean of its divisors is an integer number (67192155).

Almost surely, 2^340440214 is an apocalyptic number.

340440214 is a deficient number, since it is larger than the sum of its proper divisors (197097026).

340440214 is a wasteful number, since it uses less digits than its factorization.

340440214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958974.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 340440214 is about 18451.0220313131. The cubic root of 340440214 is about 698.2542990676.

Adding to 340440214 its reverse (412044043), we get a palindrome (752484257).

The spelling of 340440214 in words is "three hundred forty million, four hundred forty thousand, two hundred fourteen".