34243320 has 128 divisors (see below), whose sum is σ = 113011200. Its totient is φ = 8262144.

The previous prime is 34243271. The next prime is 34243333. The reversal of 34243320 is 2334243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52114 + ... + 52766.

It is an arithmetic number, because the mean of its divisors is an integer number (882900).

Almost surely, 2^34243320 is an apocalyptic number.

34243320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56505600).

34243320 is an abundant number, since it is smaller than the sum of its proper divisors (78767880).

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

34243320 is a wasteful number, since it uses less digits than its factorization.

34243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 34243320 is about 5851.7792166144. The cubic root of 34243320 is about 324.7321501199.

Adding to 34243320 its reverse (2334243), we get a palindrome (36577563).

The spelling of 34243320 in words is "thirty-four million, two hundred forty-three thousand, three hundred twenty".