343652789 has 2 divisors, whose sum is σ = 343652790. Its totient is φ = 343652788.

The previous prime is 343652779. The next prime is 343652797. The reversal of 343652789 is 987256343.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203632900 + 140019889 = 14270^2 + 11833^2 .

It is a cyclic number.

It is not a de Polignac number, because 343652789 - 2²⁴ = 326875573 is a prime.

It is a super-3 number, since 3×343652789³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343652719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171826394 + 171826395.

It is an arithmetic number, because the mean of its divisors is an integer number (171826395).

Almost surely, 2^343652789 is an apocalyptic number.

It is an amenable number.

343652789 is a deficient number, since it is larger than the sum of its proper divisors (1).

343652789 is an equidigital number, since it uses as much as digits as its factorization.

343652789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The square root of 343652789 is about 18537.8744466565. The cubic root of 343652789 is about 700.4437927302.

The spelling of 343652789 in words is "three hundred forty-three million, six hundred fifty-two thousand, seven hundred eighty-nine".