34320644 has 12 divisors (see below), whose sum is σ = 60163404. Its totient is φ = 17131104.

The previous prime is 34320641. The next prime is 34320673. The reversal of 34320644 is 44602343.

It can be written as a sum of positive squares in 2 ways, for example, as 5569600 + 28751044 = 2360^2 + 5362^2 .

It is not an unprimeable number, because it can be changed into a prime (34320641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4547 + ... + 9450.

It is an arithmetic number, because the mean of its divisors is an integer number (5013617).

Almost surely, 2^34320644 is an apocalyptic number.

It is an amenable number.

34320644 is a deficient number, since it is larger than the sum of its proper divisors (25842760).

34320644 is a wasteful number, since it uses less digits than its factorization.

34320644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614 (or 14612 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 34320644 is about 5858.3823705866. The cubic root of 34320644 is about 324.9763896063.

Adding to 34320644 its reverse (44602343), we get a palindrome (78922987).

The spelling of 34320644 in words is "thirty-four million, three hundred twenty thousand, six hundred forty-four".