34230440 has 64 divisors (see below), whose sum is σ = 83203200. Its totient is φ = 12635392.

The previous prime is 34230433. The next prime is 34230467. The reversal of 34230440 is 4403243.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 26039 + ... + 27321.

It is an arithmetic number, because the mean of its divisors is an integer number (1300050).

Almost surely, 2^34230440 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 34230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41601600).

34230440 is an abundant number, since it is smaller than the sum of its proper divisors (48972760).

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

34230440 is a wasteful number, since it uses less digits than its factorization.

34230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 34230440 is about 5850.6785931206. The cubic root of 34230440 is about 324.6914309899.

Adding to 34230440 its reverse (4403243), we get a palindrome (38633683).

The spelling of 34230440 in words is "thirty-four million, two hundred thirty thousand, four hundred forty".