34238646 has 128 divisors (see below), whose sum is σ = 91929600. Its totient is φ = 9331200.

The previous prime is 34238641. The next prime is 34238657. The reversal of 34238646 is 64683243.

It is a happy number.

34238646 is a `hidden beast` number, since 3 + 4 + 2 + 3 + 8 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 34238646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34238641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226671 + ... + 226821.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^34238646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34238646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45964800).

34238646 is an abundant number, since it is smaller than the sum of its proper divisors (57690954).

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

34238646 is a wasteful number, since it uses less digits than its factorization.

34238646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 34238646 is about 5851.3798372692. The cubic root of 34238646 is about 324.7173748087.

The spelling of 34238646 in words is "thirty-four million, two hundred thirty-eight thousand, six hundred forty-six".