343342261 has 4 divisors (see below), whose sum is σ = 346492300. Its totient is φ = 340192224.

The previous prime is 343342247. The next prime is 343342271. The reversal of 343342261 is 162243343.

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 305900100 + 37442161 = 17490^2 + 6119^2 .

It is a cyclic number.

It is not a de Polignac number, because 343342261 - 2⁷ = 343342133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343342271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574856 + ... + 1575073.

It is an arithmetic number, because the mean of its divisors is an integer number (86623075).

Almost surely, 2^343342261 is an apocalyptic number.

It is an amenable number.

343342261 is a deficient number, since it is larger than the sum of its proper divisors (3150039).

343342261 is a wasteful number, since it uses less digits than its factorization.

343342261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3150038.

The product of its digits is 10368, while the sum is 28.

The square root of 343342261 is about 18529.4970519979. The cubic root of 343342261 is about 700.2327532122.

The spelling of 343342261 in words is "three hundred forty-three million, three hundred forty-two thousand, two hundred sixty-one".