34420305 has 64 divisors (see below), whose sum is σ = 62208000. Its totient is φ = 16169472.

The previous prime is 34420289. The next prime is 34420307. The reversal of 34420305 is 50302443.

It is a happy number.

It is not a de Polignac number, because 34420305 - 2⁴ = 34420289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34420307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 386701 + ... + 386789.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 2^34420305 is an apocalyptic number.

It is an amenable number.

34420305 is a deficient number, since it is larger than the sum of its proper divisors (27787695).

34420305 is a wasteful number, since it uses less digits than its factorization.

34420305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 34420305 is about 5866.8820509705. The cubic root of 34420305 is about 325.2906433569.

Adding to 34420305 its reverse (50302443), we get a palindrome (84722748).

The spelling of 34420305 in words is "thirty-four million, four hundred twenty thousand, three hundred five".