343999141 has 4 divisors (see below), whose sum is σ = 348711532. Its totient is φ = 339286752.

The previous prime is 343999129. The next prime is 343999163. The reversal of 343999141 is 141999343.

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 230128900 + 113870241 = 15170^2 + 10671^2 .

It is a cyclic number.

It is not a de Polignac number, because 343999141 - 2⁷ = 343999013 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 (343999121) 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, 2356086 + ... + 2356231.

It is an arithmetic number, because the mean of its divisors is an integer number (87177883).

Almost surely, 2^343999141 is an apocalyptic number.

It is an amenable number.

343999141 is a deficient number, since it is larger than the sum of its proper divisors (4712391).

343999141 is an equidigital number, since it uses as much as digits as its factorization.

343999141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4712390.

The product of its digits is 104976, while the sum is 43.

The square root of 343999141 is about 18547.2138338889. The cubic root of 343999141 is about 700.6790288561.

The spelling of 343999141 in words is "three hundred forty-three million, nine hundred ninety-nine thousand, one hundred forty-one".