34439805 has 12 divisors (see below), whose sum is σ = 59695740. Its totient is φ = 18367872.

The previous prime is 34439803. The next prime is 34439819. The reversal of 34439805 is 50893443.

It can be written as a sum of positive squares in 2 ways, for example, as 19740249 + 14699556 = 4443^2 + 3834^2 .

It is not a de Polignac number, because 34439805 - 2¹ = 34439803 is a prime.

It is a super-2 number, since 2×34439805² = 2372200336876050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34439805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34439803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382620 + ... + 382709.

It is an arithmetic number, because the mean of its divisors is an integer number (4974645).

Almost surely, 2^34439805 is an apocalyptic number.

It is an amenable number.

34439805 is a deficient number, since it is larger than the sum of its proper divisors (25255935).

34439805 is a wasteful number, since it uses less digits than its factorization.

34439805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765340 (or 765337 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 34439805 is about 5868.5436864694. The cubic root of 34439805 is about 325.3520603032.

The spelling of 34439805 in words is "thirty-four million, four hundred thirty-nine thousand, eight hundred five".