299680343 has 2 divisors, whose sum is σ = 299680344. Its totient is φ = 299680342.

The previous prime is 299680333. The next prime is 299680393. The reversal of 299680343 is 343086992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 299680343 - 2¹⁰ = 299679319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 299680294 and 299680303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (299680313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149840171 + 149840172.

It is an arithmetic number, because the mean of its divisors is an integer number (149840172).

Almost surely, 2^299680343 is an apocalyptic number.

299680343 is a deficient number, since it is larger than the sum of its proper divisors (1).

299680343 is an equidigital number, since it uses as much as digits as its factorization.

299680343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 299680343 is about 17311.2779135453. The cubic root of 299680343 is about 669.1951001078.

The spelling of 299680343 in words is "two hundred ninety-nine million, six hundred eighty thousand, three hundred forty-three".