343608773 has 2 divisors, whose sum is σ = 343608774. Its totient is φ = 343608772.

The previous prime is 343608761. The next prime is 343608781. The reversal of 343608773 is 377806343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 321771844 + 21836929 = 17938^2 + 4673^2 .

It is an emirp because it is prime and its reverse (377806343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343608773 - 2²⁸ = 75173317 is a prime.

It is equal to p_18478472 and since 343608773 and 18478472 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343608773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343608173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171804386 + 171804387.

It is an arithmetic number, because the mean of its divisors is an integer number (171804387).

Almost surely, 2^343608773 is an apocalyptic number.

It is an amenable number.

343608773 is a deficient number, since it is larger than the sum of its proper divisors (1).

343608773 is an equidigital number, since it uses as much as digits as its factorization.

343608773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 343608773 is about 18536.6872175154. The cubic root of 343608773 is about 700.4138865271.

The spelling of 343608773 in words is "three hundred forty-three million, six hundred eight thousand, seven hundred seventy-three".