343102420 has 48 divisors (see below), whose sum is σ = 745920000. Its totient is φ = 132428160.

The previous prime is 343102379. The next prime is 343102421. The reversal of 343102420 is 24201343.

343102420 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

343102420 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343102421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308826 + ... + 309934.

It is an arithmetic number, because the mean of its divisors is an integer number (15540000).

Almost surely, 2^343102420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343102420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372960000).

343102420 is an abundant number, since it is smaller than the sum of its proper divisors (402817580).

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

343102420 is a wasteful number, since it uses less digits than its factorization.

343102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1648 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 343102420 is about 18523.0240511640. The cubic root of 343102420 is about 700.0696665357.

Adding to 343102420 its reverse (24201343), we get a palindrome (367303763).

The spelling of 343102420 in words is "three hundred forty-three million, one hundred two thousand, four hundred twenty".