343555434 has 48 divisors (see below), whose sum is σ = 778992552. Its totient is φ = 109309824.

The previous prime is 343555379. The next prime is 343555453. The reversal of 343555434 is 434555343.

It can be written as a sum of positive squares in 4 ways, for example, as 334999809 + 8555625 = 18303^2 + 2925^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30432 + ... + 40164.

Almost surely, 2^343555434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343555434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389496276).

343555434 is an abundant number, since it is smaller than the sum of its proper divisors (435437118).

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

343555434 is a wasteful number, since it uses less digits than its factorization.

343555434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831 (or 9828 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 343555434 is about 18535.2484202397. The cubic root of 343555434 is about 700.3776424878.

Subtracting 343555434 from its reverse (434555343), we obtain a palindrome (90999909).

The spelling of 343555434 in words is "three hundred forty-three million, five hundred fifty-five thousand, four hundred thirty-four".