34421205 has 64 divisors (see below), whose sum is σ = 68640768. Its totient is φ = 14342400.

The previous prime is 34421201. The next prime is 34421207. The reversal of 34421205 is 50212443.

34421205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34421205 - 2² = 34421201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34421201) 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 63 ways as a sum of consecutive naturals, for example, 206032 + ... + 206198.

It is an arithmetic number, because the mean of its divisors is an integer number (1072512).

Almost surely, 2^34421205 is an apocalyptic number.

34421205 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34421205 is a deficient number, since it is larger than the sum of its proper divisors (34219563).

34421205 is a wasteful number, since it uses less digits than its factorization.

34421205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 34421205 is about 5866.9587521986. The cubic root of 34421205 is about 325.2934784957.

Adding to 34421205 its reverse (50212443), we get a palindrome (84633648).

The spelling of 34421205 in words is "thirty-four million, four hundred twenty-one thousand, two hundred five".