343992353 has 2 divisors, whose sum is σ = 343992354. Its totient is φ = 343992352.

The previous prime is 343992349. The next prime is 343992371. The reversal of 343992353 is 353299343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294191104 + 49801249 = 17152^2 + 7057^2 .

It is a cyclic number.

It is not a de Polignac number, because 343992353 - 2² = 343992349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343992353.

It is not a weakly prime, because it can be changed into another prime (343992323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171996176 + 171996177.

It is an arithmetic number, because the mean of its divisors is an integer number (171996177).

Almost surely, 2^343992353 is an apocalyptic number.

It is an amenable number.

343992353 is a deficient number, since it is larger than the sum of its proper divisors (1).

343992353 is an equidigital number, since it uses as much as digits as its factorization.

343992353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 41.

The square root of 343992353 is about 18547.0308405416. The cubic root of 343992353 is about 700.6744200844.

The spelling of 343992353 in words is "three hundred forty-three million, nine hundred ninety-two thousand, three hundred fifty-three".