34539943 has 2 divisors, whose sum is σ = 34539944. Its totient is φ = 34539942.

The previous prime is 34539913. The next prime is 34539979. The reversal of 34539943 is 34993543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34539943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34539896 and 34539905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34539913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17269971 + 17269972.

It is an arithmetic number, because the mean of its divisors is an integer number (17269972).

Almost surely, 2^34539943 is an apocalyptic number.

34539943 is a deficient number, since it is larger than the sum of its proper divisors (1).

34539943 is an equidigital number, since it uses as much as digits as its factorization.

34539943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 40.

The square root of 34539943 is about 5877.0692526122. The cubic root of 34539943 is about 325.6670889803.

The spelling of 34539943 in words is "thirty-four million, five hundred thirty-nine thousand, nine hundred forty-three".