34639043 has 2 divisors, whose sum is σ = 34639044. Its totient is φ = 34639042.

The previous prime is 34639027. The next prime is 34639049. The reversal of 34639043 is 34093643.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34639043 - 2⁴ = 34639027 is a prime.

It is not a weakly prime, because it can be changed into another prime (34639049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17319521 + 17319522.

It is an arithmetic number, because the mean of its divisors is an integer number (17319522).

Almost surely, 2^34639043 is an apocalyptic number.

34639043 is a deficient number, since it is larger than the sum of its proper divisors (1).

34639043 is an equidigital number, since it uses as much as digits as its factorization.

34639043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 34639043 is about 5885.4942868038. The cubic root of 34639043 is about 325.9782532823.

The spelling of 34639043 in words is "thirty-four million, six hundred thirty-nine thousand, forty-three".