4344340 has 144 divisors (see below), whose sum is σ = 12870144. Its totient is φ = 1209600.

The previous prime is 4344337. The next prime is 4344349. The reversal of 4344340 is 434434.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4344349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140125 + ... + 140155.

It is an arithmetic number, because the mean of its divisors is an integer number (89376).

Almost surely, 2^4344340 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 4344340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6435072).

4344340 is an abundant number, since it is smaller than the sum of its proper divisors (8525804).

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

4344340 is a wasteful number, since it uses less digits than its factorization.

4344340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 4344340 is about 2084.3080386546. The cubic root of 4344340 is about 163.1703589799.

Adding to 4344340 its reverse (434434), we get a palindrome (4778774).

It can be divided in two parts, 434 and 4340, that added together give a palindrome (4774).

The spelling of 4344340 in words is "four million, three hundred forty-four thousand, three hundred forty".