34905805 has 8 divisors (see below), whose sum is σ = 45694944. Its totient is φ = 25386000.

The previous prime is 34905797. The next prime is 34905851. The reversal of 34905805 is 50850943.

34905805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34905805 - 2³ = 34905797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 317271 + ... + 317380.

It is an arithmetic number, because the mean of its divisors is an integer number (5711868).

Almost surely, 2^34905805 is an apocalyptic number.

It is an amenable number.

34905805 is a deficient number, since it is larger than the sum of its proper divisors (10789139).

34905805 is a wasteful number, since it uses less digits than its factorization.

34905805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634667.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 34905805 is about 5908.1134890928. The cubic root of 34905805 is about 326.8129215747.

The spelling of 34905805 in words is "thirty-four million, nine hundred five thousand, eight hundred five".