34220634 has 96 divisors (see below), whose sum is σ = 86173056. Its totient is φ = 8864640.

The previous prime is 34220591. The next prime is 34220657. The reversal of 34220634 is 43602243.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 560964 + ... + 561024.

It is an arithmetic number, because the mean of its divisors is an integer number (897636).

Almost surely, 2^34220634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34220634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43086528).

34220634 is an abundant number, since it is smaller than the sum of its proper divisors (51952422).

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

34220634 is a wasteful number, since it uses less digits than its factorization.

34220634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 34220634 is about 5849.8405106464. The cubic root of 34220634 is about 324.6604232255.

Adding to 34220634 its reverse (43602243), we get a palindrome (77822877).

The spelling of 34220634 in words is "thirty-four million, two hundred twenty thousand, six hundred thirty-four".