343405433 has 16 divisors (see below), whose sum is σ = 412542720. Its totient is φ = 279476736.

The previous prime is 343405331. The next prime is 343405441. The reversal of 343405433 is 334504343.

It is a happy number.

It is not a de Polignac number, because 343405433 - 2¹² = 343401337 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 343405396 and 343405405.

It is not an unprimeable number, because it can be changed into a prime (343405483) 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 15 ways as a sum of consecutive naturals, for example, 14273 + ... + 29841.

It is an arithmetic number, because the mean of its divisors is an integer number (25783920).

Almost surely, 2^343405433 is an apocalyptic number.

It is an amenable number.

343405433 is a deficient number, since it is larger than the sum of its proper divisors (69137287).

343405433 is a wasteful number, since it uses less digits than its factorization.

343405433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15736.

The product of its (nonzero) digits is 25920, while the sum is 29.

The square root of 343405433 is about 18531.2016070194. The cubic root of 343405433 is about 700.2756961643.

Adding to 343405433 its reverse (334504343), we get a palindrome (677909776).

The spelling of 343405433 in words is "three hundred forty-three million, four hundred five thousand, four hundred thirty-three".