4331340 has 96 divisors (see below), whose sum is σ = 14535360. Its totient is φ = 1064448.

The previous prime is 4331339. The next prime is 4331357. The reversal of 4331340 is 431334.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 13.

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, 6712 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (151410).

Almost surely, 2^4331340 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 4331340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7267680).

4331340 is an abundant number, since it is smaller than the sum of its proper divisors (10204020).

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

4331340 is a wasteful number, since it uses less digits than its factorization.

4331340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 4331340 is about 2081.1871612135. The cubic root of 4331340 is about 163.0074394085.

Adding to 4331340 its reverse (431334), we get a palindrome (4762674).

The spelling of 4331340 in words is "four million, three hundred thirty-one thousand, three hundred forty".