343286887 has 2 divisors, whose sum is σ = 343286888. Its totient is φ = 343286886.

The previous prime is 343286863. The next prime is 343286893. The reversal of 343286887 is 788682343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343286887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343286887.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343286387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171643443 + 171643444.

It is an arithmetic number, because the mean of its divisors is an integer number (171643444).

Almost surely, 2^343286887 is an apocalyptic number.

343286887 is a deficient number, since it is larger than the sum of its proper divisors (1).

343286887 is an equidigital number, since it uses as much as digits as its factorization.

343286887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 343286887 is about 18528.0027795766. The cubic root of 343286887 is about 700.1951068385.

The spelling of 343286887 in words is "three hundred forty-three million, two hundred eighty-six thousand, eight hundred eighty-seven".