343474289 has 4 divisors (see below), whose sum is σ = 355318260. Its totient is φ = 331630320.

The previous prime is 343474279. The next prime is 343474303. The reversal of 343474289 is 982474343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107329600 + 236144689 = 10360^2 + 15367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343474289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343474259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921942 + ... + 5921999.

It is an arithmetic number, because the mean of its divisors is an integer number (88829565).

Almost surely, 2^343474289 is an apocalyptic number.

It is an amenable number.

343474289 is a deficient number, since it is larger than the sum of its proper divisors (11843971).

343474289 is a wasteful number, since it uses less digits than its factorization.

343474289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843970.

The product of its digits is 580608, while the sum is 44.

The square root of 343474289 is about 18533.0593534905. The cubic root of 343474289 is about 700.3224969778.

The spelling of 343474289 in words is "three hundred forty-three million, four hundred seventy-four thousand, two hundred eighty-nine".