34321644 has 120 divisors (see below), whose sum is σ = 105570080. Its totient is φ = 9517824.

The previous prime is 34321597. The next prime is 34321663. The reversal of 34321644 is 44612343.

34321644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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 39 ways as a sum of consecutive naturals, for example, 83712 + ... + 84120.

Almost surely, 2^34321644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34321644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52785040).

34321644 is an abundant number, since it is smaller than the sum of its proper divisors (71248436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34321644 is a wasteful number, since it uses less digits than its factorization.

34321644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 458 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 34321644 is about 5858.4677177569. The cubic root of 34321644 is about 324.9795458528.

Adding to 34321644 its reverse (44612343), we get a palindrome (78933987).

The spelling of 34321644 in words is "thirty-four million, three hundred twenty-one thousand, six hundred forty-four".