343065538 has 4 divisors (see below), whose sum is σ = 514598310. Its totient is φ = 171532768.

The previous prime is 343065529. The next prime is 343065571. The reversal of 343065538 is 835560343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 835560343 = 12277 ⋅68059.

It can be written as a sum of positive squares in only one way, i.e., 336979449 + 6086089 = 18357^2 + 2467^2 .

It is a junction number, because it is equal to n+sod(n) for n = 343065497 and 343065506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85766383 + ... + 85766386.

Almost surely, 2^343065538 is an apocalyptic number.

343065538 is a deficient number, since it is larger than the sum of its proper divisors (171532772).

343065538 is a wasteful number, since it uses less digits than its factorization.

343065538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171532771.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 343065538 is about 18522.0284526290. The cubic root of 343065538 is about 700.0445808342.

The spelling of 343065538 in words is "three hundred forty-three million, sixty-five thousand, five hundred thirty-eight".