34686143 has 2 divisors, whose sum is σ = 34686144. Its totient is φ = 34686142.

The previous prime is 34686121. The next prime is 34686149. The reversal of 34686143 is 34168643.

It is a strong prime.

It is an emirp because it is prime and its reverse (34168643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34686143 - 2¹⁸ = 34423999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34686149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17343071 + 17343072.

It is an arithmetic number, because the mean of its divisors is an integer number (17343072).

Almost surely, 2^34686143 is an apocalyptic number.

34686143 is a deficient number, since it is larger than the sum of its proper divisors (1).

34686143 is an equidigital number, since it uses as much as digits as its factorization.

34686143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 35.

The square root of 34686143 is about 5889.4942906840. The cubic root of 34686143 is about 326.1259346337.

The spelling of 34686143 in words is "thirty-four million, six hundred eighty-six thousand, one hundred forty-three".