343043220 has 48 divisors (see below), whose sum is σ = 1034409600. Its totient is φ = 84441216.

The previous prime is 343043203. The next prime is 343043227. The reversal of 343043220 is 22340343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343043227) 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 15 ways as a sum of consecutive naturals, for example, 219120 + ... + 220679.

It is an arithmetic number, because the mean of its divisors is an integer number (21550200).

Almost surely, 2^343043220 is an apocalyptic number.

343043220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343043220 is an abundant number, since it is smaller than the sum of its proper divisors (691366380).

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

343043220 is a wasteful number, since it uses less digits than its factorization.

343043220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439824 (or 439822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 343043220 is about 18521.4259710207. The cubic root of 343043220 is about 700.0294001257.

Adding to 343043220 its reverse (22340343), we get a palindrome (365383563).

The spelling of 343043220 in words is "three hundred forty-three million, forty-three thousand, two hundred twenty".