34306240 has 56 divisors (see below), whose sum is σ = 83466432. Its totient is φ = 13424640.

The previous prime is 34306231. The next prime is 34306241. The reversal of 34306240 is 4260343.

It is not an unprimeable number, because it can be changed into a prime (34306241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13900 + ... + 16180.

It is an arithmetic number, because the mean of its divisors is an integer number (1490472).

Almost surely, 2^34306240 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 34306240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41733216).

34306240 is an abundant number, since it is smaller than the sum of its proper divisors (49160192).

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

34306240 is a wasteful number, since it uses less digits than its factorization.

34306240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345 (or 2335 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 34306240 is about 5857.1528919775. The cubic root of 34306240 is about 324.9309202292.

Adding to 34306240 its reverse (4260343), we get a palindrome (38566583).

The spelling of 34306240 in words is "thirty-four million, three hundred six thousand, two hundred forty".