343913 has 2 divisors, whose sum is σ = 343914. Its totient is φ = 343912.

The previous prime is 343901. The next prime is 343933. The reversal of 343913 is 319343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258064 + 85849 = 508^2 + 293^2 .

It is an emirp because it is prime and its reverse (319343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343913 - 2⁴ = 343897 is a prime.

It is not a weakly prime, because it can be changed into another prime (343933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171956 + 171957.

It is an arithmetic number, because the mean of its divisors is an integer number (171957).

2³⁴³⁹¹³ is an apocalyptic number.

It is an amenable number.

343913 is a deficient number, since it is larger than the sum of its proper divisors (1).

343913 is an equidigital number, since it uses as much as digits as its factorization.

343913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 343913 is about 586.4409603703. The cubic root of 343913 is about 70.0620538176.

The spelling of 343913 in words is "three hundred forty-three thousand, nine hundred thirteen".