34220648 has 64 divisors (see below), whose sum is σ = 81198720. Its totient is φ = 13132800.

The previous prime is 34220591. The next prime is 34220657. The reversal of 34220648 is 84602243.

It is a self number, because there is not a number n which added to its sum of digits gives 34220648.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44588 + ... + 45348.

It is an arithmetic number, because the mean of its divisors is an integer number (1268730).

Almost surely, 2^34220648 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 34220648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40599360).

34220648 is an abundant number, since it is smaller than the sum of its proper divisors (46978072).

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

34220648 is a wasteful number, since it uses less digits than its factorization.

34220648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 34220648 is about 5849.8417072601. The cubic root of 34220648 is about 324.6604674994.

The spelling of 34220648 in words is "thirty-four million, two hundred twenty thousand, six hundred forty-eight".