343221414 has 16 divisors (see below), whose sum is σ = 703185840. Its totient is φ = 111616640.

The previous prime is 343221413. The next prime is 343221427. The reversal of 343221414 is 414122343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343221413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 697359 + ... + 697850.

It is an arithmetic number, because the mean of its divisors is an integer number (43949115).

Almost surely, 2^343221414 is an apocalyptic number.

343221414 is an abundant number, since it is smaller than the sum of its proper divisors (359964426).

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

343221414 is a wasteful number, since it uses less digits than its factorization.

343221414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395255.

The product of its digits is 2304, while the sum is 24.

The square root of 343221414 is about 18526.2358292234. The cubic root of 343221414 is about 700.1505893704.

Adding to 343221414 its reverse (414122343), we get a palindrome (757343757).

The spelling of 343221414 in words is "three hundred forty-three million, two hundred twenty-one thousand, four hundred fourteen".