343734564 has 48 divisors (see below), whose sum is σ = 831499200. Its totient is φ = 110388096.

The previous prime is 343734557. The next prime is 343734569. The reversal of 343734564 is 465437343.

It is not an unprimeable number, because it can be changed into a prime (343734569) 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, 234867 + ... + 236325.

It is an arithmetic number, because the mean of its divisors is an integer number (17322900).

Almost surely, 2^343734564 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 343734564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415749600).

343734564 is an abundant number, since it is smaller than the sum of its proper divisors (487764636).

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

343734564 is a wasteful number, since it uses less digits than its factorization.

343734564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2170 counting only the distinct ones).

The product of its digits is 362880, while the sum is 39.

The square root of 343734564 is about 18540.0799351028. The cubic root of 343734564 is about 700.4993471059.

The spelling of 343734564 in words is "three hundred forty-three million, seven hundred thirty-four thousand, five hundred sixty-four".