343800534 has 64 divisors (see below), whose sum is σ = 859921920. Its totient is φ = 89022720.

The previous prime is 343800533. The next prime is 343800547. The reversal of 343800534 is 435008343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343800533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178762 + ... + 180674.

It is an arithmetic number, because the mean of its divisors is an integer number (13436280).

Almost surely, 2^343800534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343800534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429960960).

343800534 is an abundant number, since it is smaller than the sum of its proper divisors (516121386).

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

343800534 is a wasteful number, since it uses less digits than its factorization.

343800534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 343800534 is about 18541.8589682912. The cubic root of 343800534 is about 700.5441578317.

Adding to 343800534 its reverse (435008343), we get a palindrome (778808877).

The spelling of 343800534 in words is "three hundred forty-three million, eight hundred thousand, five hundred thirty-four".