343800420 has 24 divisors (see below), whose sum is σ = 962641344. Its totient is φ = 91680096.

The previous prime is 343800419. The next prime is 343800427. The reversal of 343800420 is 24008343.

It is not an unprimeable number, because it can be changed into a prime (343800427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864944 + ... + 2865063.

It is an arithmetic number, because the mean of its divisors is an integer number (40110056).

Almost surely, 2^343800420 is an apocalyptic number.

343800420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343800420 is an abundant number, since it is smaller than the sum of its proper divisors (618840924).

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

343800420 is a wasteful number, since it uses less digits than its factorization.

343800420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730019 (or 5730017 counting only the distinct ones).

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

The square root of 343800420 is about 18541.8558941655. The cubic root of 343800420 is about 700.5440804011.

Adding to 343800420 its reverse (24008343), we get a palindrome (367808763).

The spelling of 343800420 in words is "three hundred forty-three million, eight hundred thousand, four hundred twenty".