34909643 has 4 divisors (see below), whose sum is σ = 35092608. Its totient is φ = 34726680.

The previous prime is 34909639. The next prime is 34909661. The reversal of 34909643 is 34690943.

34909643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34909643 - 2² = 34909639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34909597 and 34909606.

It is not an unprimeable number, because it can be changed into a prime (34909663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91196 + ... + 91577.

It is an arithmetic number, because the mean of its divisors is an integer number (8773152).

Almost surely, 2^34909643 is an apocalyptic number.

34909643 is a deficient number, since it is larger than the sum of its proper divisors (182965).

34909643 is a wasteful number, since it uses less digits than its factorization.

34909643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182964.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 34909643 is about 5908.4382877373. The cubic root of 34909643 is about 326.8248991624.

The spelling of 34909643 in words is "thirty-four million, nine hundred nine thousand, six hundred forty-three".